Compagnie Industrielle des Telecommunications Cit-Alcatel
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jun 19, 1990 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 2,170 Total Citation Count
- Aug 12, 1976 Earliest Filing
- 144 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
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Recent Publications
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Recent Patents
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Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
4893309 Digital interface between at least two subscriber line interface circuits and a processing unitExpiredJan 25, 88Jan 09, 90[H04J]
4881226 Digital interface of an integrated subscriber line interface circuitExpiredJan 25, 88Nov 14, 89[H04J]
4727540 Apparatus for remote signalling on a digital transmission linkExpiredNov 27, 85Feb 23, 88[H04J]
4723285 Methods of broadcasting and receiving high quality sound programs and a receiver deviceExpiredMay 29, 85Feb 02, 88[H04H]
4713805 Method and device for selecting one station from a set of stations dialoging with a main stationExpiredSep 20, 84Dec 15, 87[H04Q, H04J]
4689790 Method and apparatus for remote signalling on a digital transmission linkExpiredNov 27, 85Aug 25, 87[H04J]
4682334 Synchronous data transmission method and device implementing sameExpiredMay 20, 85Jul 21, 87[H03K, G08C]
4677644 Method and apparatus for remote signalling by substituting a message for the data conveyed by a digital transmission linkExpiredNov 27, 85Jun 30, 87[H04L]
4667320 Space-division switching network for high data rate signalsExpiredMar 26, 85May 19, 87[H04L, H04Q]
4656350 Opto-electronic selector having a plurality of optical signal inletsExpiredJun 13, 85Apr 07, 87[H01J]
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