US3145941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recorder-reproducers
Assignee: PROCTOR DICTATING MACHINE CORP
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Filing: 1961-01-26
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Granted: 1964-08-25
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Expires: 1981-01-26
Abstract
No abstract record available.
Inventors
- 👤 Barton A Proctor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:03
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/02; G11B15/16; G11B15/18; G11B15/26; G11B15/32; G11B15/60; G11B15/66; G11B15/665; G11B15/6653; G11B15/6656
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
IN COMBINATION, A PAIR OF FIXEDLY LOCATED SHAFTS, A PAIR OF CIRCULAR REELS MOUNTED ON SAID SHAFTS AND ADAPTED TO RECEIVE RECORDING TAPE WITH ONE END THEREOF PARTIALLY WOUND ON ONE OF SAID REELS AND THE OTHER END PARTIALLY WOUND ON THE OTHER OF SAID REELS, A DRIVING MEMBER CONSTRUCTED AND ARRANGED TO HAVE A FIRST DRIVING POSITION, AND A SECOND DRIVING POSITION, MOTOR MEANS FOR TURNING SAID DRIVING MEMBER IN EITHER DIRECTION IN SAID FIRST AND SECOND POSITIONS, AND MEANS WHEREBY SAID DRIVING MEMBER IN ONE OR THE OTHER OF SAID DRIVING POSITIONS IS YIELDINGLY URGED INTO FRICTIONAL DRIVING ENGAGEMENT WITH A ROLL OF TAPE ON ONE OR THE OTHER OF SAID REELS TO WIND THE TAPE ON EITHER REEL AND IS FREE TO MOVE AWAY FROM THE CENTER OF THE REEL AS THE ROLL OF TAPE BUILDS UP THEREON, SAID DRIVING MEMBER HAVING A NEUTRAL POSITION IN WHICH IT IS OUT OF DRIVING ENGAGEMENT WITH THE TAPE ON EITHER OF SAID REELS AND MEANS FOR BIASING THE DRIVING MEMBER TO SAID NEUTRAL POSITION.
Claim 2
Dependent Claim
175 words
IN COMBINATION, A PAIR OF FIXEDLY LOCATED SHAFTS, A PAIR OF CIRCULAR REELS MOUNTED ON SAID SHAFTS AND ADAPTED TO RECEIVE RECORDING TAPE WITH ONE END THEREOF PARTIALLY WOUND ON ONE OF SAID REELS AND THE OTHER END PARTIALLY WOUND ON THE OTHER OF SAID REELS, A DRIVING MEMBER CONSTRUCTED AND ARRANGED TO HAVE A FIRST DRIVING POSITION, AND A SECOND DRIVING POSITION, MOTOR MEANS FOR TURNING SAID DRIVING MEMBER IN EITHER DIRECTION IN SAID FIRST AND SECOND POSITIONS, AND MEANS WHEREBY SAID DRIVING MEMBER IN ONE OR THE OTHER OF SAID DRIVING POSITIONS IS YIELDINGLY URGED INTO FRICTIONAL DRIVING ENGAGEMENT WITH A ROLL OF TAPE ON ONE OR THE OTHER OF SAID REELS TO WIND THE TAPE ON EITHER REEL AND IS FREE TO MOVE AWAY FROM THE CENTER OF THE REEL AS THE ROLL OF TAPE BUILDS UP THEREON, SAID DRIVING MEMBER HAVING A NEUTRAL POSITION IN WHICH IT IS OUT OF DRIVING ENGAGEMENT WITH THE TAPE ON EITHER OF SAID REELS AND MEANS FOR BIASING THE DRIVING MEMBER TO SAID NEUTRAL POSITION.
References Cited (Backward Citations)
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US2813686A
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US2919866A
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |