Patent FR2460130A1 successfully refreshed from Google Patents.
US3294332A
Expired / Lapsed
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Incremental magnetic tape recorder
Assignee: Lockheed Martin Corp
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Filing: 1964-04-16
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Granted: 1966-12-27
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Expires: 1984-04-16
Abstract
No abstract record available.
Inventors
- 👤 Charles A Miville
- 👤 Hugel Fred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:26
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/26; G11B15/28; G11B15/29; G11B15/20; G11B15/43
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
IN A TAPE RECORDER HAVING A PAIR OF REEL SHAFTS FOR RECEIVING TAPE REELS, A RECORDING HEAD, AND A CAPSTAN DRIVE FOR SAID TAPE, THE COMBINATION WITH SAID REEL SHAFTS OF A PAIR OF FLAT COIL SPRINGS RESPECTIVELY TENDING TO ROTATE SAID REEL SHAFTS IN A DIRECTION TO CAUSE SUBSTANTIALLY UNIFORM TENSION IN SAID TAPE BETWEEN SAID REELS, DRIVING CONNECTIONS BETWEEN SAID SPRINGS AND SAID REEL SHAFTS RESPECTIVELY, AND MEANS FOR INTERCONNECTING SAID REAL SHAFTS.
Claim 2
Dependent Claim
75 words
IN A TAPE RECORDER HAVING A PAIR OF REEL SHAFTS FOR RECEIVING TAPE REELS, A RECORDING HEAD, AND A CAPSTAN DRIVE FOR SAID TAPE, THE COMBINATION WITH SAID REEL SHAFTS OF A PAIR OF FLAT COIL SPRINGS RESPECTIVELY TENDING TO ROTATE SAID REEL SHAFTS IN A DIRECTION TO CAUSE SUBSTANTIALLY UNIFORM TENSION IN SAID TAPE BETWEEN SAID REELS, DRIVING CONNECTIONS BETWEEN SAID SPRINGS AND SAID REEL SHAFTS RESPECTIVELY, AND MEANS FOR INTERCONNECTING SAID REAL SHAFTS.
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) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |