AG COMMUNICATION SYSTEMS CORPORATION, 2500 W. UTOPIA RD., PHOENIX, AZ 85027, A DE CORP.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04M TELEPHONIC COMMUNICATION 20143
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 8277
 
  
 
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 6150
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 5442
 
  
 
H01R ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS 4129
 
  
 
H04Q SELECTING 4106
 
  
 
B26F PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING 115
 
  
 
B41J TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS 1101
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205
 
  
 
G06T IMAGE DATA PROCESSING OR GENERATION, IN GENERAL 1134

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7146001 Dynamic essential line serviceJun 19, 02Dec 05, 06[H04M]
7137002 Differential authentication entity validation scheme for international emergency telephone serviceMar 24, 03Nov 14, 06[H04L]
6981022 Using PSTN to convey participant IP addresses for multimedia conferencingNov 02, 01Dec 27, 05[H04M, H04N, H04Q, G06F]
6956857 Guaranteed admission and incremental bandwidth allocation in a packet networkSep 24, 01Oct 18, 05[H04L]
6882641 Call center queue administrationFeb 23, 00Apr 19, 05[H04L]
6796818 Extender card with insertion/removal arrangementAug 21, 02Sep 28, 04[H01R]
6798768 Multimedia call routing in an IP networkFeb 23, 00Sep 28, 04[H04L]
6771643 Interconnecting packet switchesApr 28, 00Aug 03, 04[H04Q]
6698638 Printed circuit board scrap edge removal toolMay 20, 02Mar 02, 04[B26F]
6678359 Called party identification in packet switched networksApr 06, 00Jan 13, 04[H04M]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6882842 Control channel reselection in an autonomous mobile systemExpiredApr 27, 01Apr 19, 05[H04Q]
6807262 Central office control of receive and transmit handset volumeExpiredOct 03, 00Oct 19, 04[H04M]
6804801 Integrated circuit fault insertion systemExpiredJun 25, 01Oct 12, 04[G06F, G01R]
6788777 Alternative treatment for AIN fault handlingExpiredJul 20, 01Sep 07, 04[H04M]
6766396 PC16550D UART line status register data ready bit filter and latchExpiredJun 07, 01Jul 20, 04[G06F]
6747995 System for multiple voice lines with data over a single subscriber loopExpiredSep 20, 99Jun 08, 04[H04M, H04L, H04J]
6734794 Alarm control algorithm for multi-sourced alarmsExpiredFeb 27, 02May 11, 04[G08B]
6704416 Hook switch status glitch filterExpiredMar 27, 00Mar 09, 04[H04M]
2003/0146,679 Chassis arrangement for reducing flame emissionsAbandonedFeb 07, 02Aug 07, 03[A47F]
6351395 Backplane support bracketExpiredDec 08, 00Feb 26, 02[H05K]
5978373 Wide area network system providing secure transmissionExpiredJul 11, 97Nov 02, 99[H04L]
5808486 Glitch free clock enable circuitExpiredApr 28, 97Sep 15, 98[H03K]
5633634 Data rate conversion circuitExpiredSep 29, 95May 27, 97[H03M]
5542070 Method for rapid development of software systemsExpiredDec 19, 94Jul 30, 96[G06F]
5426649 Test interface for a digital circuitExpiredOct 31, 94Jun 20, 95[H04B, G06F, G01R]
5420894 Elastic storage circuitExpiredDec 21, 93May 30, 95[H04L]
5378545 Removable snap-on card stiffenerExpiredApr 02, 93Jan 03, 95[H05K]
5353198 Side plates for retrofit card file adapter assemblyExpiredAug 21, 92Oct 04, 94[A47G, H05K]
5331517 Retrofit card file adapter assemblyExpiredAug 21, 92Jul 19, 94[H05K]
5261827 Movable shroud center standoffExpiredMar 05, 92Nov 16, 93[H01R]

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