US Patent No: 4,754,326
Number of patents in Portfolio can not be more than 2000
Method and apparatus for assisting user of information retrieval systems
Stats
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Jun 28, 1988
Issued date -
Oct 25, 1983
filing date -
06/545,069
serial no -
Expired
status
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Abstract
In information retrieval system includes a help feature, wherein a help key on a terminal can be actuated and a host computer responds by determining the identity of a page of basic information being transmitted at the time the help key is operated, determining the location of a page of subsidiary information associated with the currently transmitted page of basic information, and transmitting that associated page of subsidiary information to the terminal for display thereby. A system guide aspect enables the system to provide guide information adapted to assist in the use of other data subgroups. A bookmark facility involves the use of a mark request key on the terminal and a mark record device operable in response to the actuation of the mark request key to create a record of the storage location of the one of the pages being transmitted to the terminal for display thereby at the time of such actuation. A search request key on the terminal enable transmission of a search request to the host computer.
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First Claim
Related Publications
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
| Patent Owner | Address | Total Patents |
|---|---|---|
| KEYCOM ELECTRONIC PUBLISHING | CHICAGO, IL | 7 |
| KEYCOM ELECTRONIC PUBLISHING A IL CORP | CHICAGO, IL | 1 |
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Inventor(s)
| Inventor Name | Address | # of filed Patents | Total Citations |
|---|---|---|---|
| Holman, Neil L | Buffalo Grove, IL | 2 | 367 |
| Kram, Anthony | Rolling Meadows, IL | 1 | 264 |
| Winter, Peter M | Elk Grove, IL | 5 | 648 |
Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 4,555,774 Fast response for switched data networks | 8 | 1982 | |
| 4,479,196 Hyperedge entity-relationship data base systems | 82 | 1982 | |
| 4,541,056 Instruction system topic-interpreting method | 14 | 1983 | |
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| 4,433,392 Interactive data retrieval apparatus | 39 | 1981 | |
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| 4,276,594 Digital computer with multi-processor capability utilizing intelligent composite memory and input/output modules and method for performing the same | 175 | 1978 | |
Patent Citation Ranking
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| Patent Info | (Count) | # Cites | Year |
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| 7,856,650 Signal processing apparatus and methods | 1 | 1993 | |
| 7,831,204 Signal processing apparatus and methods | 1 | 1995 | |
| 7,860,249 Signal processing apparatus and methods | 0 | 1995 | |
| 7,769,344 Signal processing apparatus and methods | 1 | 1995 | |
| 7,865,920 Signal processing apparatus and methods | 0 | 1995 | |
| 7,861,278 Signal processing apparatus and methods | 1 | 1995 | |
| 7,849,493 Signal processing apparatus and methods | 1 | 1995 | |
| 7,769,170 Signal processing apparatus and methods | 0 | 1995 | |
| 7,953,223 Signal processing apparatus and methods | 1 | 1995 | |
| 7,849,479 Signal processing apparatus and methods | 0 | 1995 | |
| 7,840,976 Signal processing apparatus and methods | 0 | 1995 | |
| 7,805,748 Signal processing apparatus and methods | 0 | 1995 | |
| 7,797,717 Signal processing apparatus and methods | 0 | 1995 | |
| 7,783,252 Signal processing apparatus and methods | 0 | 1995 | |
| 7,784,082 Signal processing apparatus and methods | 0 | 1995 | |
| 7,856,649 Signal processing apparatus and methods | 0 | 1995 | |
| 7,830,925 Signal processing apparatus and methods | 0 | 1995 | |
| 7,801,304 Signal processing apparatus and methods | 1 | 1995 | |
| 7,752,649 Signal processing apparatus and methods | 0 | 1995 | |
| 7,849,480 Signal processing apparatus and methods | 0 | 1995 | |
| 8,395,707 Signal processing apparatus and methods | 0 | 1995 | |
| 8,112,782 Signal processing apparatus and methods | 0 | 1995 | |
| 8,046,791 Signal processing apparatus and methods | 0 | 1995 | |
| 7,926,084 Signal processing apparatus and methods | 1 | 1995 | |
| 7,827,587 Signal processing apparatus and methods | 0 | 1995 | |
| 7,810,115 Signal processing apparatus and methods | 0 | 1995 | |
| 7,764,685 Signal processing apparatus and methods | 0 | 1995 | |
| 7,752,650 Signal processing apparatus and methods | 0 | 1995 | |
| 7,861,263 Signal processing apparatus and methods | 0 | 1995 | |
| 7,827,586 Signal processing apparatus and methods | 0 | 1995 | |
| 7,823,175 Signal processing apparatus and methods | 0 | 1995 | |
| 7,814,526 Signal processing apparatus and methods | 0 | 1995 | |
| 7,805,738 Signal processing apparatus and methods | 0 | 1995 | |
| 7,734,251 Signal processing apparatus and methods | 2 | 1995 | |
| 8,191,091 Signal processing apparatus and methods | 5 | 1995 | |
| 7,992,169 Signal processing apparatus and methods | 0 | 1995 | |
| 7,966,640 Signal processing apparatus and methods | 0 | 1995 | |
| 7,958,527 Signal processing apparatus and methods | 0 | 1995 | |
| 7,940,931 Signal processing apparatus and methods | 1 | 1995 | |
| 7,908,638 Signal processing apparatus and methods | 0 | 1995 | |
| 7,889,865 Signal processing apparatus and methods | 0 | 1995 | |
| 7,870,581 Signal processing apparatus and methods | 0 | 1995 | |
| 7,864,248 Signal processing apparatus and methods | 0 | 1995 | |
| 7,864,956 Signal processing apparatus and methods | 0 | 1995 | |
| 7,860,131 Signal processing apparatus and methods | 0 | 1995 | |
| 7,844,995 Signal processing apparatus and methods | 0 | 1995 | |
| 7,836,480 Signal processing apparatus and methods | 1 | 1995 | |
| 7,817,208 Signal processing apparatus and methods | 0 | 1995 | |
| 7,818,761 Signal processing apparatus and methods | 0 | 1995 | |
| 7,818,776 Signal processing apparatus and methods | 0 | 1995 | |
| 7,818,777 Signal processing apparatus and methods | 0 | 1995 | |
| 7,818,778 Signal processing apparatus and methods | 0 | 1995 | |
| 7,805,749 Signal processing apparatus and methods | 0 | 1995 | |
| 7,793,332 Signal processing apparatus and methods | 0 | 1995 | |
| 7,774,809 Signal processing apparatus and method | 0 | 1995 | |
| 7,761,890 Signal processing apparatus and methods | 1 | 1995 | |
| 7,747,217 Signal processing apparatus and methods | 0 | 1995 | |
| 5,887,243 Signal processing apparatus and methods | 146 | 1995 | |
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| 5,781,246 Electronic television program guide schedule system and method | 176 | 1994 | |
| 5,880,768 Interactive program guide systems and processes | 287 | 1995 | |
| 5,822,123 Electronic television program guide schedule system and method with pop-up hints | 247 | 1996 | |
| 6,661,468 Electronic television program guide schedule system and method | 31 | 1998 | |
| 6,396,546 Electronic television program guide schedule system and method | 38 | 1998 | |
| 6,266,814 Methods and systems for presenting program schedule information corresponding to a day selection | 100 | 1998 | |
| 6,373,528 Electronic television program guide schedule system and method | 23 | 1999 | |
| 6,331,877 Electronic television program guide schedule system and method | 83 | 1999 | |
| 6,865,746 Electronic program guide with related-program search feature | 86 | 1999 | |
| 6,305,017 Interactive television program guide with selectable non-program options | 22 | 2000 | |
| 7,895,624 Interactive media guide with media guidance interface | 3 | 2001 | |
| 6,526,578 Interactive television program guide with selectable non-program options | 1 | 2001 | |
| 7,100,185 Electronic television program guide schedule system and method | 14 | 2001 | |
| 6,772,432 Interactive television program guide with selectable non-program options | 0 | 2003 | |
| 7,398,541 Electronic television program guide schedule system and method | 11 | 2003 | |
| 7,225,455 Electronic television program guide schedule system and method | 39 | 2003 | |
| 6,728,967 Electronic television program guide schedule system and method | 7 | 2003 | |
| 7,047,547 Electronic television program guide schedule system and method | 17 | 2003 | |
| 7,814,421 Program guide system with video window browsing | 1 | 2003 | |
| 8,082,568 Electronic program guide with integrated program listings | 0 | 2003 | |
| 8,001,564 Electronic program guide with digital storage directory | 0 | 2003 | |
| 7,793,322 Electronic program guide with super-program sequence | 7 | 2003 | |
| 8,296,802 Interactive program guide systems and processes | 0 | 2003 | |
| 7,984,468 Systems and methods for providing program suggestions in an interactive television program guide | 4 | 2003 | |
| 7,254,823 Apparatus and method for constrained selection of favorite channels | 6 | 2004 | |
| 8,046,801 Interactive television program guide with remote access | 13 | 2004 | |
| 7,827,585 Electronic program guide with digital storage | 0 | 2005 | |
| 8,006,263 Interactive television program guide with remote access | 1 | 2005 | |
| 8,010,979 Electronic program guide using markup language | 2 | 2006 | |
| 7,890,490 Systems and methods for providing advanced information searching in an interactive media guidance application | 3 | 2006 | |
| 7,784,081 Television program guide with a digital storage device and a secondary storage device | 3 | 2006 | |
| 7,571,453 Apparatus and method for constrained selection of favorite channels | 2 | 2007 | |
| 8,392,948 Interactive program guide systems and processes | 0 | 2007 | |
| 8,087,048 Television program guide with a digital storage device | 1 | 2007 | |
| 7,779,440 Apparatus and method for constrained selection of favorite channels | 0 | 2009 | |
| 8,281,339 Customizable flip and browse overlays in an interactive television system | 0 | 2009 | |
| 8,301,632 Systems and methods for providing advanced information searching in an interactive media guidance application | 0 | 2009 | |
| 8,359,616 Systems and methods for automatically generating advertisements using a media guidance application | 1 | 2009 | |
| 8,161,071 Systems and methods for audio asset storage and management | 0 | 2009 | |
| 8,413,191 Program guide with a digital storage device | 0 | 2010 | |
| 8,370,884 Interactive television systems with digital video recording and adjustable reminders | 0 | 2010 | |
| 7,937,727 Apparatus and method for constrained selection of favorite channels | 0 | 2010 | |
| 8,424,038 Interactive media guide with media guidance interface | 0 | 2011 | |
| 8,413,193 Program guide with a digital storage device | 0 | 2011 | |
| 8,448,215 Electronic program guide with digital storage | 0 | 2011 | |
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| 7,436,842 Outlet with analog signal adapter, a method for use thereof and a network using said outlet | 3 | 2001 | |
| 7,542,554 Telephone outlet with packet telephony adapter, and a network using same | 4 | 2001 | |
| 7,317,793 Method and system for providing DC power on local telephone lines | 29 | 2003 | |
| 7,867,035 Modular outlet | 0 | 2004 | |
| 7,466,722 Telephone communication system over a single telephone line | 0 | 2004 | |
| 7,483,524 Network for telephony and data communication | 12 | 2004 | |
| 7,680,255 Telephone outlet with packet telephony adaptor, and a network using same | 0 | 2004 | |
| 7,769,030 Telephone outlet with packet telephony adapter, and a network using same | 4 | 2004 | |
| 7,492,875 Network for telephony and data communication | 2 | 2004 | |
| 7,397,791 Telephone communication system over a single telephone line | 1 | 2005 | |
| 7,522,713 Network for telephony and data communication | 4 | 2005 | |
| 7,633,966 Network combining wired and non-wired segments | 8 | 2005 | |
| 8,325,636 Local area network of serial intelligent cells | 0 | 2005 | |
| 7,702,095 Method and system for providing DC power on local telephone lines | 2 | 2005 | |
| 7,453,895 Outlet with analog signal adapter, a method for use thereof and a network using said outlet | 9 | 2005 | |
| 7,522,714 Telephone outlet for implementing a local area network over telephone lines and a local area network using such outlets | 3 | 2006 | |
| 7,274,688 Telephone communication system over a single telephone line | 0 | 2006 | |
| 7,715,534 Telephone outlet for implementing a local area network over telephone lines and a local area network using such outlets | 2 | 2006 | |
| 8,107,618 Method and system for providing DC power on local telephone lines | 0 | 2006 | |
| 7,686,653 Modular outlet | 3 | 2006 | |
| 8,270,430 Local area network of serial intelligent cells | 0 | 2006 | |
| 8,238,328 Telephone system having multiple distinct sources and accessories therefor | 0 | 2006 | |
| 8,000,349 Telephone communication system over a single telephone line | 3 | 2007 | |
| 7,593,394 Telephone communication system over a single telephone line | 0 | 2007 | |
| 7,953,071 Outlet with analog signal adapter, a method for use thereof and a network using said outlet | 2 | 2008 | |
| 7,873,058 Outlet with analog signal adapter, a method for use thereof and a network using said outlet | 3 | 2008 | |
| 7,860,084 Outlet with analog signal adapter, a method for use thereof and a network using said outlet | 3 | 2008 | |
| 8,223,800 Telephone communication system over a single telephone line | 0 | 2008 | |
| 7,889,720 Outlet with analog signal adapter, a method for use thereof and a network using said outlet | 2 | 2008 | |
| 8,351,582 Network for telephony and data communication | 0 | 2008 | |
| 8,363,797 Telephone outlet for implementing a local area network over telephone lines and a local area network using such outlets | 0 | 2010 | |
| 8,092,258 Modular outlet | 1 | 2011 | |
| 8,235,755 Modular outlet | 0 | 2011 | |
| 8,360,810 Modular outlet | 0 | 2011 | |
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| 7,546,287 System and method to search a database for records matching user-selected search criteria and to maintain persistency of the matched records | 2 | 2001 | |
| 7,464,072 Method, apparatus, and system for searching based on search visibility rules | 1 | 2001 | |
| 7,293,014 System and method to enable searching across multiple databases and files using a single search | 13 | 2001 | |
| 7,233,937 Method, apparatus, and system for searching based on filter search specification | 2 | 2001 | |
| 7,725,447 Method, apparatus, and system for searching based on search visibility rules | 1 | 2004 | |
| 7,467,133 Method, apparatus, and system for searching based on search visibility rules | 1 | 2004 | |
| 7,698,282 Method, apparatus, and system for remote client search indexing | 2 | 2007 | |
| 7,962,446 Method, apparatus, and system for searching based on search visibility rules | 0 | 2007 | |
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| 7,487,529 Electronic program guide system with advertising messages in pop-ups | 21 | 1998 | |
| 7,421,724 Systems and methods for displaying information regions in an interactive electronic program guide | 13 | 2002 | |
| 7,493,641 Method and system for displaying advertisements in an electronic program guide | 12 | 2003 | |
| 7,480,929 Method and system for displaying advertisements in an electronic program guide | 14 | 2003 | |
| 8,205,232 Interactive computer system for providing television schedule information | 0 | 2004 | |
| 8,181,200 Method and system for displaying advertising, video, and program schedule listing | 0 | 2007 | |
| 8,112,776 Interactive computer system for providing television schedule information | 0 | 2007 | |
| 8,453,174 Method and system for displaying advertising, video, and program schedule listing | 0 | 2010 | |
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| 7,636,886 System and method for grouping and organizing pages of an electronic document into pre-defined categories | 6 | 2003 | |
| 7,720,616 Multi-stage, multi-user engagement submission and tracking process | 2 | 2003 | |
| 7,454,371 System and method for managing login resources for the submission and performance of engagements | 1 | 2003 | |
| 7,610,227 System and method for creating cross-reference links, tables and lead sheets for tax return documents | 8 | 2004 | |
| 7,853,494 Efficient work flow system and method for preparing tax returns | 1 | 2005 | |
| 7,769,646 Efficient work flow system and method for processing taxpayer source documents | 2 | 2007 | |
| 8,321,311 Multi-stage, multi-user engagement submission and tracking process | 2009 | ||
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| 8,224,994 Fictitious domain name method, system, product, and apparatus | 1 | 2004 | |
| 8,037,168 Method, product, and apparatus for enhancing resolution services, registration services, and search services | 4 | 2004 | |
| 7,565,402 Sitemap access method, product, and apparatus | 10 | 2007 | |
| RE44207 Network resource access method, product, and apparatus | 0 | 2007 | |
| RE43690 Search engine request method, product, and apparatus | 0 | 2008 | |
| 8,458,161 Method, product, and apparatus for enhancing resolution services, registration services, and search services | 0 | 2011 | |
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| 5,133,067 Method and apparatus for system for selectively extracting display data within a specified proximity of a displayed character string using a range table | 11 | 1986 | |
| 5,029,112 Image information display system for displaying a plurality of image information pieces with a directed display state | 37 | 1988 | |
| 5,179,683 Retrieval apparatus including a plurality of retrieval units | 6 | 1989 | |
| 5,696,916 Information storage and retrieval system and display method therefor | 58 | 1992 | |
| 5,434,963 Method and system of help-information control method and system | 20 | 1992 | |
| 5,483,632 Method and system of help-information control | 136 | 1995 | |
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| 4,965,772 Method and apparatus for communication network alert message construction | 139 | 1987 | |
| 4,964,077 Method for automatically adjusting help information displayed in an online interactive system | 211 | 1987 | |
| 4,970,678 System for providing context-sensitive on-line documentation in a data processor | 88 | 1988 | |
| 5,047,977 Methods of generating and retrieving error and task message records within a multitasking computer system | 34 | 1990 | |
| 6,009,425 System and method for performing record deletions using index scans | 30 | 1996 | |
| 7,167,901 Method and apparatus for improved bookmark and histories entry creation and access | 15 | 2000 | |
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| 6,970,537 Video transmission and control system utilizing internal telephone lines | 1 | 2001 | |
| 7,145,990 High-speed data communication over a residential telephone wiring network | 2 | 2003 | |
| 7,577,240 Two-way communication over a single transmission line between one or more information sources and a group of telephones, computers, and televisions | 0 | 2003 | |
| 7,227,932 Multi-band data over voice communication system and method | 0 | 2004 | |
| 7,224,780 Multichannel transceiver using redundant encoding and strategic channel spacing | 0 | 2004 | |
| 7,149,289 Interactive data over voice communication system and method | 2 | 2004 | |
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| 5,781,785 Method and apparatus for providing an optimized document file of multiple pages | 115 | 1995 | |
| 5,737,599 Method and apparatus for downloading multi-page electronic documents with hint information | 210 | 1995 | |
| 5,860,074 Method and apparatus for displaying an electronic document with text over object | 166 | 1997 | |
| 5,819,301 Method and apparatus for reading multi-page electronic documents | 151 | 1997 | |
| 6,073,148 Displaying electronic documents with substitute fonts | 57 | 1998 | |
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| 5,970,471 Virtual catalog and product presentation method and apparatus | 307 | 1996 | |
| 6,131,088 Electronic catalog system and method | 78 | 1998 | |
| 6,029,142 Electronic catalog system and method | 72 | 1998 | |
| 7,908,173 Virtual catalog and product presentation method and apparatus | 2 | 2005 | |
| 7,908,176 Virtual catalog and product presentation method and apparatus | 2 | 2008 | |
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| 7,813,451 Apparatus and method for frequency shifting of a wireless signal and systems using frequency shifting | 15 | 2006 | |
| 7,587,001 Apparatus and method for frequency shifting of a wireless signal and systems using frequency shifting | 10 | 2008 | |
| 8,325,759 System and method for carrying a wireless based signal over wiring | 0 | 2008 | |
| 8,175,649 Method and system for real time control of an active antenna over a distributed antenna system | 0 | 2009 | |
| 8,184,681 Apparatus and method for frequency shifting of a wireless signal and systems using frequency shifting | 1 | 2010 | |
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| 6,978,277 Multimedia search system | 7 | 2002 | |
| 7,085,778 Multimedia search system | 3 | 2005 | |
| 7,082,437 Multimedia search system | 1 | 2005 | |
| 7,051,018 Multimedia search system | 3 | 2005 | |
| 7,664,775 Multimedia search system | 2 | 2006 | |
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| 5,787,417 Method and system for selection of hierarchically related information using a content-variable list | 35 | 1993 | |
| 5,685,003 Method and system for automatically indexing data in a document using a fresh index table | 49 | 1994 | |
| 5,907,837 Information retrieval system in an on-line network including separate content and layout of published titles | 355 | 1995 | |
| 5,845,273 Method and apparatus for integrating multiple indexed files | 24 | 1996 | |
| 5,926,807 Method and system for effectively representing query results in a limited amount of memory | 36 | 1997 | |
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| 6,198,840 Recording apparatus | 2 | 1996 | |
| 6,535,631 Recording apparatus | 0 | 2000 | |
| 6,731,791 Recording apparatus | 0 | 2002 | |
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| 5,485,370 Home services delivery system with intelligent terminal emulator | 209 | 1993 | |
| 5,572,572 Computer and telephone apparatus with user friendly interface and enhanced integrity features | 110 | 1994 | |
| 6,442,532 Wireless transaction and information system | 174 | 1998 | |
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| 7,996,864 Method and apparatus for displaying television programs and related text | 0 | 2003 | |
| 8,448,209 System and method for displaying advertisements responsive to EPG information | 0 | 2007 | |
| 8,336,071 System and method for modifying advertisement responsive to EPG information | 2 | 2010 | |
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| 6,507,909 Method for executing trusted-path commands | 13 | 1990 | |
| 7,036,022 Verification of trusted-path commands | 2 | 2000 | |
| 6,871,283 Processing trusted commands in trusted and untrusted environments | 13 | 2000 | |
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| 7,941,818 System and method for utilizing EPG database for modifying advertisements | 0 | 2007 | |
| 8,134,645 Combination of recorded program index and EPG | 1 | 2007 | |
| 8,272,011 Method and system for displaying advertisements between schedule listings | 2010 | ||
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| 7,890,539 Semantic matching using predicate-argument structure | 5 | 2007 | |
| 8,131,536 Extraction-empowered machine translation | 1 | 2007 | |
| 8,260,817 Semantic matching using predicate-argument structure | 0 | 2011 | |
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| 8,427,489 Rack interface pod with intelligent platform control | 0 | 2006 | |
| 8,009,173 Rack interface pod with intelligent platform control | 0 | 2007 | |
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| 4,879,648 Search system which continuously displays search terms during scrolling and selections of individually displayed data sets | 70 | 1986 | |
| 5,206,949 Database search and record retrieval system which continuously displays category names during scrolling and selection of individually displayed search terms | 113 | 1989 | |
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| 6,061,097 Interactive television program guide with selectable non-program options | 79 | 1997 | |
| 7,185,355 Program guide system with preference profiles | 125 | 1998 | |
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| 6,567,867 Input device for information terminal | 1 | 2000 | |
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| 5,907,600 Product registration system | 9 | 1995 | |
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| 6,795,702 Customized on-line user guide | 8 | 2002 | |
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| 8,269,783 KVM switch including a terminal emulator | 0 | 2007 | |
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| 6,173,445 Dynamic splash screen | 5 | 1998 | |
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| 4,939,689 Outline-driven database editing and retrieval system | 93 | 1987 | |
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| 6,401,077 Method and system for providing additional behavior through a web page | 77 | 1999 | |
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| 7,213,013 Method, apparatus, and system for remote client search indexing | 13 | 2001 | |
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| 6,546,399 Multimedia search system | 22 | 1994 | |
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| 6,065,047 System for providing subscriber with access to a content area customized for the combination of subscriber's responses to topic prompt, subtopic prompt, and action prompt | 90 | 1996 | |
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| 5,144,548 Routing switcher | 28 | 1989 | |
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| 6,597,773 System for managing telecommunications infrastructure | 3 | 2001 | |
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| 7,035,598 Modular computer system | 1 | 2001 | |
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| 5,604,487 Apparatus and method for user-selective data communication with verification | 36 | 1993 | |
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| 6,463,413 Speech recognition training for small hardware devices | 74 | 1999 | |
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| 5,058,000 System for accessing remote heterogeneous database including formatting retrieved data into applications program format | 103 | 1989 | |
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| 6,418,556 Electronic television program guide schedule system and method | 81 | 1993 | |
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| 8,060,903 Signal processing apparatus and methods | 0 | 1995 | |
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| 5,058,008 Mail system with personalized training for users | 43 | 1989 | |
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| 7,696,905 Method and apparatus for controlling the operational mode of electronic devices in response to sensed conditions | 14 | 2004 | |
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| 8,280,719 Methods and systems relating to information extraction | 0 | 2006 | |
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| 7,496,666 Multi-user computer system | 0 | 2006 | |
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| 8,407,737 Systems and methods for providing a scan transport bar | 0 | 2007 | |
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| 5,845,248 Apparatus for reading out textual information with synthesized speech, and teletext receiver | 4 | 1997 | |
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| 5,388,251 Help display system for a computer | 44 | 1988 | |
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| 5,018,097 Modularly structured digital communications system for interconnecting terminal equipment and public networks, and having operation and reliability programs | 30 | 1988 | |
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| 5,903,867 Information access system and recording system | 26 | 1994 | |
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| 5,796,832 Wireless transaction and information system | 154 | 1995 | |
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| 5,157,783 Data base system which maintains project query list, desktop list and status of multiple ongoing research projects | 137 | 1988 | |
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| 4,995,074 Switched line modem interface system | 183 | 1989 | |
| 7,852,284 Modular computer system | 0 | 2001 | |
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|
| Fee | Large entity fee | small entity fee | micro entity fee |
|---|---|---|---|
| Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
| Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |