Patent US3089000A successfully refreshed from Google Patents.
US3089000A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intercommunicating telephone systems
Assignee: Automatic Electric Laboratories Inc
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Filing: 1960-07-07
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Granted: 1963-05-07
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Expires: 1980-07-07
Abstract
No abstract record available.
Inventors
- 👤 Karl L Burgener
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:25
CPC Classifications
H; H04; H04Q; H04Q3/00; H04Q3/58; H04Q3/62; H04Q3/625
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
AN INTERCOMMUNICATING TELEPHONE SYSTEM INCLUDING: A FIRST PLURALITY OF STATIONS; A PLURALITY OF ASSOCIATED LINE EQUIPMENTS EACH CONNECTED TO A DIFFERENT ONE OF SAID FIRST PLURALITY OF STATIONS TO OPERATED IN RESPONSE TO SEIZURE BY ONE OF SAID STATIONS TO PROVIDE A TALKING PATH BETWEEN TWO OF SAID FIRST PLURALITY OF STATIONS; LINK MEANS CONNECTED TO EACH OF SAID LINE EQUIPMENTS; A SECOND PLURALITY OF STATIONS INCLUDING A COMMON TALKING PATH; EACH OF SAID STATIONS INCLUDING A CALLING DEVICE; SELECTING MEANS CONNECTED TO SAID FIRST PLURALITY OF STATIONS OVER SAID LINK MEANS AND TO SAID SECOND PLURALITY OF STATIONS OVER SAID COMMON TALKING PATH, OPERATED IN RESPONSE TO OPERATION OF THE CALLING DEVICE AT ANY ONE OF SAID STATIONS; TRANSFER MEANS CONNECTED TO SAID SELECTING MEANS INCLUDING, AN INDIVIDUAL CIRCUIT CONNECTION TO EACH OF SAID FIRST PLURALITY OF STATIONS AND EACH OF SAID SECOND PLURLAITY OF STATIONS, AND MEANS CONTROLLED BY SAID SELECTING MEANS TO OPERATE SAID TRANSFER MEANS TO TRANSMIT A SIGNAL TO A SELECTED ONE OF SAID STATION OVER ONE OF SAID CIRCUIT CONNECTIONS.
Claim 2
Dependent Claim
176 words
AN INTERCOMMUNICATING TELEPHONE SYSTEM INCLUDING: A FIRST PLURALITY OF STATIONS; A PLURALITY OF ASSOCIATED LINE EQUIPMENTS EACH CONNECTED TO A DIFFERENT ONE OF SAID FIRST PLURALITY OF STATIONS TO OPERATED IN RESPONSE TO SEIZURE BY ONE OF SAID STATIONS TO PROVIDE A TALKING PATH BETWEEN TWO OF SAID FIRST PLURALITY OF STATIONS; LINK MEANS CONNECTED TO EACH OF SAID LINE EQUIPMENTS; A SECOND PLURALITY OF STATIONS INCLUDING A COMMON TALKING PATH; EACH OF SAID STATIONS INCLUDING A CALLING DEVICE; SELECTING MEANS CONNECTED TO SAID FIRST PLURALITY OF STATIONS OVER SAID LINK MEANS AND TO SAID SECOND PLURALITY OF STATIONS OVER SAID COMMON TALKING PATH, OPERATED IN RESPONSE TO OPERATION OF THE CALLING DEVICE AT ANY ONE OF SAID STATIONS; TRANSFER MEANS CONNECTED TO SAID SELECTING MEANS INCLUDING, AN INDIVIDUAL CIRCUIT CONNECTION TO EACH OF SAID FIRST PLURALITY OF STATIONS AND EACH OF SAID SECOND PLURLAITY OF STATIONS, AND MEANS CONTROLLED BY SAID SELECTING MEANS TO OPERATE SAID TRANSFER MEANS TO TRANSMIT A SIGNAL TO A SELECTED ONE OF SAID STATION OVER ONE OF SAID CIRCUIT CONNECTIONS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-06 | 1966-11-05 | 1967-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-06 | 1970-11-05 | 1971-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-06 | 1974-11-05 | 1975-05-07 | $7700.00 | Window Closed / Lapsed |