US3283078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telephone call charge determination system
Assignee: AT&T Inc
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Filing: 1963-11-05
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Granted: 1966-11-01
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Expires: 1983-11-05
Abstract
No abstract record available.
Inventors
- 👤 Robert C Avery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:30
CPC Classifications
H; H04; H04M; H04M15/00; H04M15/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
IN A TELEPHONE SWITCHING SYSTEM HAVING A PLURALITY OF TRUNK CIRCUITS, A PLURALITY OF TRUNK REGISTERS INDIVIDUALLY ASSOCIATED WITH RESPECTIVE ONES OF SAID TRUNK CIRCUITS, MEANS FOR REGISTERING INFORMATION PERTAINING TO A CALL CONNECTION OVER ONE OF SAID TRUNK CIRCUITS IN THE ASSOCIATED ONE OF SAID TRUNK REGISTERS, BUFFER REGISTER CIRCUITRY, CALL CHARGE COMPUTATION MEANS FOR TRANSLATING INFORMATION PERTAINING TO CALL CONNECTION INTO CHARGES FOR SAID CALL CONNECTION, INFORMATION TRANSFER BUSSES, MEANS INCLUDING SAID INFORMATION TRANSFER BUSSES OPERATIVE UPON TERMINATION OF A CALL CONNECTION OVER ONE OF SAID TRUNK CIRCUITS FOR SELECTIVELY INTERCONNECTING THE ASSOCIATED ONE OF SAID TRUNK REGISTERS WITH SAID BUFFER REGISTER CIRCUITRY FOR TRANSFERRING CALL CONNECTION INFORMATION FROM SAID TRUNK REGISTER TO SAID BUFFER REGISTER CIRCUITRY, MEANS INCLUDING SAID INFORMATION TRANSFER BUSSES FOR PROVIDING
Claim 2
Dependent Claim
127 words
IN A TELEPHONE SWITCHING SYSTEM HAVING A PLURALITY OF TRUNK CIRCUITS, A PLURALITY OF TRUNK REGISTERS INDIVIDUALLY ASSOCIATED WITH RESPECTIVE ONES OF SAID TRUNK CIRCUITS, MEANS FOR REGISTERING INFORMATION PERTAINING TO A CALL CONNECTION OVER ONE OF SAID TRUNK CIRCUITS IN THE ASSOCIATED ONE OF SAID TRUNK REGISTERS, BUFFER REGISTER CIRCUITRY, CALL CHARGE COMPUTATION MEANS FOR TRANSLATING INFORMATION PERTAINING TO CALL CONNECTION INTO CHARGES FOR SAID CALL CONNECTION, INFORMATION TRANSFER BUSSES, MEANS INCLUDING SAID INFORMATION TRANSFER BUSSES OPERATIVE UPON TERMINATION OF A CALL CONNECTION OVER ONE OF SAID TRUNK CIRCUITS FOR SELECTIVELY INTERCONNECTING THE ASSOCIATED ONE OF SAID TRUNK REGISTERS WITH SAID BUFFER REGISTER CIRCUITRY FOR TRANSFERRING CALL CONNECTION INFORMATION FROM SAID TRUNK REGISTER TO SAID BUFFER REGISTER CIRCUITRY, MEANS INCLUDING SAID INFORMATION TRANSFER BUSSES FOR PROVIDING
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) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |