Patent US2953941A successfully refreshed from Google Patents.
US2953941A
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Transmission
Assignee: Eimco Corp
•
Filing: 1955-03-28
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Granted: 1960-09-27
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Expires: 1975-03-28
Abstract
No abstract record available.
Inventors
- 👤 Daniel M Schwartz
- 👤 Theodore N Hackett
- 👤 Duncan I Mccallum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:51
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/02; F16H3/08; F16H3/087; F16H3/093; B; B60; B60K; B60K17/00; B60K17/04; B60K17/10; B62; B62D; B62D11/00; B62D11/02; B62D11/04; F16H61/00; F16H61/02; F16H61/0262; F16H2708/00; F16H2708/02; F16H2708/06; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19037; Y10T74/19074; Y10T74/19112; Y10T74/19116; Y10T74/19219; Y10T74/19251; Y10T74/19256; Y10T74/1926; Y10T74/19265; Y10T74/19377; Y10T74/19386; Y10T74/19405; Y10T74/19414; Y10T74/19419; Y10T74/19423; Y10T74/19428; Y10T74/19433
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1979488A
Cited
US2430799A
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US2131531A
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US2323753A
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US2304032A
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US2560865A
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US2484011A
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US2606456A
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US2547732A
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US2632544A
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US2720124A
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US2815684A
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US2825232A
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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) | 1963-09-27 | 1964-03-28 | 1964-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-27 | 1968-03-28 | 1968-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-27 | 1972-03-28 | 1972-09-27 | $7700.00 | Window Closed / Lapsed |