SOCIETA ITALIANA TELECOMUNICAZIONI SIEMENS S.P.A.
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jan 09, 1990 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 34 Total Citation Count
- Oct 17, 1979 Earliest Filing
- 5 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
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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Expired/Abandoned/Withdrawn Patents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]
4355288 Frequency-stabilizing system for generator of microwave oscillationsExpiredApr 22, 80Oct 19, 82[H03L]
4313198 Synchronous demultiplexer with elastic bit store for TDM/PCM telecommunication systemExpiredOct 17, 79Jan 26, 82[H04J]
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