Patent US2945697A successfully refreshed from Google Patents.
US2945697A
Expired / Lapsed
US
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Means for rendering tape recorders and the like operative under high acceleration and deceleration conditions
Assignee: SPEIDEL Corp
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Filing: 1957-08-16
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Granted: 1960-07-19
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Expires: 1977-08-16
Abstract
No abstract record available.
Inventors
- 👤 Paul F Maeder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:56
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/52; G01S7/56; G01S7/60; B; B65; B65H; B65H27/00; G11; G11B; G11B15/00; G11B15/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2470494A
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US2615989A
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US2712448A
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US2671202A
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US2674119A
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US2679394A
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US2772135A
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US2778624A
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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) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |