Patent US3518454A successfully refreshed from Google Patents.
US3104288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telephone calling equipment
Assignee: McGraw Edison Co
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Filing: 1963-05-01
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Granted: 1963-09-17
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Expires: 1983-05-01
Abstract
No abstract record available.
Inventors
- 👤 Kobler Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:01
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/26; H04M1/27; H04M1/274; H04M1/276
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
IN A MACHINE FOR RECORDING CODED TELEPHONE NUMBERS: THE COMBINATION OF A SUPPORT FOR A RECORD MEDIUM, A RECORDING HEAD, DRIVE MEANS FOR PRODUCING A RELATIVE TRAVELING MOVEMENT BETWEEN SAID HEAD AND RECORD MEDIUM, A TELEPHONE DIALING MECHANISM FOR PRODUCING SIGNALS REPRESENTING CODED TELEPHONE NUMBERS AS THE NUMBERS ARE DIALED, SAID DIALING MECHANISM INCLUDING A ROTARY DIAL BIASED TO A HOME POSITION AND MOVABLE FROM SAID HOME POSITION BY RESPECTIVE DISTANCES ACCORDING TO DIGITS AND LETTERS TO BE DIALED, A FIRST PULSING SWITCH RECURRENTLY OPERATED DURING EACH RETURN OF THE DIAL TO HOME POSITION FOR PRODUCING PULSE SIGNALS OF CODED TELEPHONE NUMBERS AND INCLUDING A SECOND PULSING SWITCH ALSO RECURRENTLY OPERATED DURING EACH RETURN OF SAID DIAL, SAID SECOND PULSING SWITCH BEING TIMED TO OPERATE AHEAD OF SAID FIRST PULSING SWITCH; MEANS FOR CONTROLLING SAID DRIVE MEANS BY SAID SECOND PULSING SWITCH TO CAUSE SAID DRIVE MEANS TO START PRIOR TO THE FEED OF SAID PULSE SIGNALS TO SAID RECORDING HEAD; AND TIMING MEANS TO STOP SAID DRIVE MEANS UPON ELAPSE OF A PREDETERMINED TIME INTERVAL FOLLOWING EACH RETURN OF THE DIAL TO HOME POSITION.
Claim 2
Dependent Claim
185 words
IN A MACHINE FOR RECORDING CODED TELEPHONE NUMBERS: THE COMBINATION OF A SUPPORT FOR A RECORD MEDIUM, A RECORDING HEAD, DRIVE MEANS FOR PRODUCING A RELATIVE TRAVELING MOVEMENT BETWEEN SAID HEAD AND RECORD MEDIUM, A TELEPHONE DIALING MECHANISM FOR PRODUCING SIGNALS REPRESENTING CODED TELEPHONE NUMBERS AS THE NUMBERS ARE DIALED, SAID DIALING MECHANISM INCLUDING A ROTARY DIAL BIASED TO A HOME POSITION AND MOVABLE FROM SAID HOME POSITION BY RESPECTIVE DISTANCES ACCORDING TO DIGITS AND LETTERS TO BE DIALED, A FIRST PULSING SWITCH RECURRENTLY OPERATED DURING EACH RETURN OF THE DIAL TO HOME POSITION FOR PRODUCING PULSE SIGNALS OF CODED TELEPHONE NUMBERS AND INCLUDING A SECOND PULSING SWITCH ALSO RECURRENTLY OPERATED DURING EACH RETURN OF SAID DIAL, SAID SECOND PULSING SWITCH BEING TIMED TO OPERATE AHEAD OF SAID FIRST PULSING SWITCH; MEANS FOR CONTROLLING SAID DRIVE MEANS BY SAID SECOND PULSING SWITCH TO CAUSE SAID DRIVE MEANS TO START PRIOR TO THE FEED OF SAID PULSE SIGNALS TO SAID RECORDING HEAD; AND TIMING MEANS TO STOP SAID DRIVE MEANS UPON ELAPSE OF A PREDETERMINED TIME INTERVAL FOLLOWING EACH RETURN OF THE DIAL TO HOME POSITION.
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) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |