AMERITECH SERVICES, INC.
Patent Owner
Stats
- 10 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jun 11, 2009 most recent publication
Details
- 10 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 420 Total Citation Count
- Mar 19, 1990 Earliest Filing
- 6 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
7020255 Method and system for providing a work-at-home telecommunication serviceApr 25, 01Mar 28, 06[H04M]
6252953 Method and system for providing a work-at-home telecommunication serviceSep 30, 96Jun 26, 01[H04M]
5594938 Universal TV interface for switch of broadcast video distribution (and related method)May 11, 95Jan 14, 97[H04N]
5343461 Full duplex digital transmission facility loop-back test, diagnostics and maintenance systemAug 27, 91Aug 30, 94[H04J]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
7170983 Method and system for providing a work-at-home telecommunication serviceExpiredJan 06, 06Jan 30, 07[H04M]
5768357 Method and system for providing a work-at-home telecommunication serviceWithdrawnSep 30, 96Jun 16, 98[]
5128988 Telephone-switched network, automatic meter-reading system based upon service addressExpiredMar 19, 90Jul 07, 92[H04M]
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