SPRINT INTERNATIONAL COMMUNICATIONS CORPORATION, A CORP. OF DE

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04J MULTIPLEX COMMUNICATION 8117
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 4281
 
  
 
H04Q SELECTING 2108
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5615379 Method for editing data stored in files in which the file formats are unknownAug 26, 94Mar 25, 97[G06F]
5493564 Method and apparatus for global routing of electronic messagesMar 25, 94Feb 20, 96[H04L]
5459717 Method and apparatus for routing messagers in an electronic messaging systemMar 25, 94Oct 17, 95[H04L]
5420857 Connection establishment in a flat distributed packet switch architectureFeb 08, 94May 30, 95[H04Q]
5295133 System administration in a flat distributed packet switch architectureFeb 12, 92Mar 15, 94[H04L, H04J]
5295137 Connection establishment in a flat distributed packet switch architectureFeb 12, 92Mar 15, 94[H04L, H04Q]
5282202 Composite frame reconfiguration in integrated services networksMar 28, 91Jan 25, 94[H04J]
5282207 Frame compression in integrated services networksMar 28, 91Jan 25, 94[H04J]
5251209 Prioritizing attributes in integrated services networksMar 28, 91Oct 05, 93[H04J]
5247516 Configurable composite data frameMar 28, 91Sep 21, 93[H04J]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5408464 System administration in a flat distributed packet switch architectureExpiredFeb 08, 94Apr 18, 95[H04L, H04J]
5216591 Method for efficient distributed data communications network backbone node locationExpiredFeb 06, 90Jun 01, 93[H04J]
5170394 Host network communication with transparent connection devicesExpiredDec 19, 90Dec 08, 92[H04L, H04J]
5113499 Telecommunication access management system for a packet switching networkExpiredApr 28, 89May 12, 92[G06F]
5077782 External analog loopbackExpiredNov 21, 90Dec 31, 91[H04M]
5058113 Method and apparatus for correcting errors in a systemExpiredDec 16, 88Oct 15, 91[G06F]
4985889 Data packet switchingExpiredFeb 02, 89Jan 15, 91[H04Q, H04J]
4980886 Communication system utilizing dynamically slotted informationExpiredNov 03, 88Dec 25, 90[H04J]
4979100 Communication processor for a packet-switched networkExpiredApr 01, 88Dec 18, 90[G06F]
4951278 High-level data link control packet assembler/disassemblerExpiredAug 31, 88Aug 21, 90[H04L]
4799153 Method and apparatus for enhancing security of communications in a packet-switched data communications systemExpiredSep 17, 87Jan 17, 89[H04L]
4728754 Inter-bus systemExpiredAug 29, 86Mar 01, 88[H04Q]
4727243 Financial transaction systemExpiredOct 24, 84Feb 23, 88[G06F]
D286404 Telephone handset or similar articleExpiredNov 30, 84Oct 28, 86[]
D286286 Telephone standExpiredNov 30, 84Oct 21, 86[]
D286151 Telephone system keypad attachment stand or similar articleExpiredNov 30, 84Oct 14, 86[]

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