US3297828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Operator position control equipment for serving calls on an overlap basis
Assignee: AT&T Inc
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Filing: 1963-10-23
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Granted: 1967-01-10
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Expires: 1983-10-23
Abstract
No abstract record available.
Inventors
- 👤 Baumfalk John
- 👤 Thomas P Mcguinness
- 👤 Robert C Nance
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:59
CPC Classifications
H; H04; H04M; H04M3/00; H04M3/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
IN COMBINATION, FIRST, INTERMEDIATE AND LAST COMMUNICATION CHANNELS, AN OPERATOR POSITION, CONNECTOR MEANS RESPONSIVE TO THE RECEIPT OF A SERVICE REQUEST ON ANY ONE OF SAID CHANNELS FOR CONNECTING SAID ONE CHANNEL TO SAID POSITION, APPLYING MEANS RESPONSIVE TO THE RECEIPT OF A SIGNAL FROM SAID POSITION FOR APPLYING A HOLD CONDITION TO SAID ONE CHANNEL, MEANS OPERATED BY SAID APPLYING MEANS FOR TEMPORARILY TRANSFERRING THE CONNECTION OF SID POSITION FROM SAID HELD CHANNEL TO ANOTHER OF SAID CHANNELS HAVING A SERVICE REQUEST THEREON, AND MEANS AUTOMATICALLY ACTIVATED AFTER SAID REQUEST ON SAID OTHER CHANNEL HAS BEEN SERVED FOR RELEASING SAID TRANSFERRING MEANS TO RECONNECT SAID HELD CHANNEL TO SAID POSITION.
Claim 2
Dependent Claim
111 words
IN COMBINATION, FIRST, INTERMEDIATE AND LAST COMMUNICATION CHANNELS, AN OPERATOR POSITION, CONNECTOR MEANS RESPONSIVE TO THE RECEIPT OF A SERVICE REQUEST ON ANY ONE OF SAID CHANNELS FOR CONNECTING SAID ONE CHANNEL TO SAID POSITION, APPLYING MEANS RESPONSIVE TO THE RECEIPT OF A SIGNAL FROM SAID POSITION FOR APPLYING A HOLD CONDITION TO SAID ONE CHANNEL, MEANS OPERATED BY SAID APPLYING MEANS FOR TEMPORARILY TRANSFERRING THE CONNECTION OF SID POSITION FROM SAID HELD CHANNEL TO ANOTHER OF SAID CHANNELS HAVING A SERVICE REQUEST THEREON, AND MEANS AUTOMATICALLY ACTIVATED AFTER SAID REQUEST ON SAID OTHER CHANNEL HAS BEEN SERVED FOR RELEASING SAID TRANSFERRING MEANS TO RECONNECT SAID HELD CHANNEL TO SAID POSITION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |