US3358087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telephone instrument dialing control device
Assignee: AT&T Inc
•
Filing: 1964-05-21
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Granted: 1967-12-12
•
Expires: 1984-05-21
Abstract
No abstract record available.
Inventors
- 👤 Stein Robert H Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:16
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/66; H04M1/677
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
IN A TELEPHONE INSTRUMENT, THE COMBINATION OF SIGNAL GENERATING MEANS FOR PRODUCING SIGNALS REPRESENTING DIGITS OF A TELEPHONE NUMBER TO BE CALLED, AND MEANS FOR PERMITTING SIGNALS TO BE PRODUCED BY THE SIGNAL GENERATING MEANS UP TO A PREDETERMINED NUMBER OF TIMES ONLY AND MEANS RESPONSIVE TO THE PRODUCTION OF SAID SIGNALS UP TO A PREDETERMINED NUMBER OF TIMES FOR PREVENTING THE PRODUCTION OF SUCH SIGNALS AFTER THE PRODUCTION OF THE PREDETERMINED NUMBER THEREOF.
Claim 2
Dependent Claim
74 words
IN A TELEPHONE INSTRUMENT, THE COMBINATION OF SIGNAL GENERATING MEANS FOR PRODUCING SIGNALS REPRESENTING DIGITS OF A TELEPHONE NUMBER TO BE CALLED, AND MEANS FOR PERMITTING SIGNALS TO BE PRODUCED BY THE SIGNAL GENERATING MEANS UP TO A PREDETERMINED NUMBER OF TIMES ONLY AND MEANS RESPONSIVE TO THE PRODUCTION OF SAID SIGNALS UP TO A PREDETERMINED NUMBER OF TIMES FOR PREVENTING THE PRODUCTION OF SUCH SIGNALS AFTER THE PRODUCTION OF THE PREDETERMINED NUMBER THEREOF.
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) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |