Patent US3952734A successfully refreshed from Google Patents.
US2942875A
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Control system for magnetic recorderreproducer
Assignee: Revere Camera Co
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Filing: 1958-01-31
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Granted: 1960-06-28
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Expires: 1978-01-31
Abstract
No abstract record available.
Inventors
- 👤 Pastor Sheldon Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:33
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/02; G11B15/10; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/1892; Y10T74/1896
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA470370A
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US2063372A
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US2446789A
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US2648234A
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US2726720A
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US2838305A
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US2785892A
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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) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |