US3301967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic call transmitter for repertory dialing using multifreqency pulses
Assignee: AT&T Inc
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Filing: 1963-09-11
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Granted: 1967-01-31
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Expires: 1983-09-11
Abstract
No abstract record available.
Inventors
- 👤 Roger A Plyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:11
CPC Classifications
H; H04; H04Q; H04Q5/00; H04Q5/02; H04Q5/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
AN AUTOMATIC DIALER FOR USE IN A TELEPHONE SYSTEM TO AUTOMATICALLY CALL ANY ONE OF A GROUP OF DISTANT STATIONS COMPRISING A PLURALITY OF KEYS, EACH OF WHICH CORRESPONDS TO A PARTICULAR DISTANT STATION, A GROUP OF STEPPING RELAYS COMMON TO ALL OF SAID KEYS FOR STEPPING FIRST IN A FORWARD DIRECTION AND SUBSEQUENTLY IN A REVERSE DIRECTION, MEANS RESPONSIVE TO THE ACTUATION OF A PARTICULAR ONE OF SAID KEYS TO INITIATE AND CONTROL SAID STEPPING RELAYS, A
Claim 2
Dependent Claim
78 words
AN AUTOMATIC DIALER FOR USE IN A TELEPHONE SYSTEM TO AUTOMATICALLY CALL ANY ONE OF A GROUP OF DISTANT STATIONS COMPRISING A PLURALITY OF KEYS, EACH OF WHICH CORRESPONDS TO A PARTICULAR DISTANT STATION, A GROUP OF STEPPING RELAYS COMMON TO ALL OF SAID KEYS FOR STEPPING FIRST IN A FORWARD DIRECTION AND SUBSEQUENTLY IN A REVERSE DIRECTION, MEANS RESPONSIVE TO THE ACTUATION OF A PARTICULAR ONE OF SAID KEYS TO INITIATE AND CONTROL SAID STEPPING RELAYS, A
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) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |