US2576478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heavy-duty transmission
Assignee: Koehring Co
•
Filing: 1946-12-03
•
Granted: 1951-11-27
•
Expires: 1966-12-03
Abstract
No abstract record available.
Inventors
- 👤 Raymond A Beckwith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:40
CPC Classifications
F; F16; F16H; F16H37/00; F16H37/02; F16H37/06; F16H37/08; F16H37/0833; F16H61/00; F16H61/02; F16H2702/00; F16H2708/00; F16H2708/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US509389A
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US516933A
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FR327957A
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AT28779B
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US983949A
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US1118616A
Cited
GB291122A
Cited
GB426368A
Cited
US2180474A
Cited
US2258005A
Cited
US2200890A
Cited
US2343291A
Cited
US2319226A
Cited
US2349410A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-26 | 1955-05-28 | 1955-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-26 | 1959-05-28 | 1959-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-26 | 1963-05-28 | 1963-11-27 | $7700.00 | Window Closed / Lapsed |