US3087018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ticket operated telephone set
Assignee: AT&T Inc
•
Filing: 1958-12-18
•
Granted: 1963-04-23
•
Expires: 1978-12-18
Abstract
No abstract record available.
Inventors
- 👤 Pferd William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:12
CPC Classifications
H; H04; H04M; H04M17/00; H04M17/02; H04M17/026; G; G06; G06Q; G06Q20/00; G06Q20/30; G06Q20/34; G06Q20/343; G06Q20/3433; G07; G07F; G07F7/00; G07F7/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
70 words
IN A TELEPHONE SYSTEM INCLUDING SUBSTATIONS OPERATED BY MONETARY MEANS, THE COMBINATION OF MEANS RESPONSIVE TO A TICKET FOR ENABLING A SUBSTATION FOR CALLING PURPOSES, MEANS FOR PREVENTING OPERATION OF SAID SUBSTATION ON PRESENTATION OF AN IMPROPER TICKET, MEANS FOR HOLDING THE TICKET DURING A CALL, MEANS FOR PUNCHING AND RELEASING THE TICKET AFTER COMPLETION OF THE CALL, AND MEANS FOR RELEASING THE TICKET ON FAILURE TO COMPLETE THE CALL.
References Cited (Backward Citations)
US504011A
Cited
US2783865A
Cited
US1362464A
Cited
US1705859A
Cited
US1910963A
Cited
US2450997A
Cited
US2674655A
Cited
US2792148A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |