US2771792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine cooling fan drive gearing
Assignee: Bendix Aviation Corp
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Filing: 1954-04-23
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Granted: 1956-11-27
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Expires: 1974-04-23
Abstract
No abstract record available.
Inventors
- 👤 Maurice P Whitney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:31
CPC Classifications
F; F16; F16D; F16D43/00; F16D43/02; F16D43/04; F16D43/14; F16D43/18; F01; F01P; F01P7/00; F01P7/02; F01P7/04; F01P7/046; F16H; F16H61/00; F16H61/02; F16H61/0293; F16D2043/145; F16H2718/00; F16H2718/08; F16H2718/10; F16H2718/12
Claims Analysis
Total Claims: 0
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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) | 1959-11-27 | 1960-05-28 | 1960-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-27 | 1964-05-28 | 1964-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-27 | 1968-05-28 | 1968-11-27 | $7700.00 | Window Closed / Lapsed |