US2517879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gear box
Assignee: John Fowler & Co Leeds Ltd
•
Filing: 1946-01-02
•
Granted: 1950-08-08
•
Expires: 1966-01-02
Abstract
No abstract record available.
Inventors
- 👤 Howard Arthur Clifford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:07
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/44; F16H3/72; F16H3/727; F16H37/00; F16H37/02; F16H37/06; F16H37/08; F16H37/0833; F16H37/084; F16H2037/088; F16H2702/00; F16H2702/06; F16H47/00; F16H47/02; F16H47/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US436127A
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US948436A
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US1076614A
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FR500833A
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US1574383A
Cited
US1671033A
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US2000465A
Cited
US1992210A
Cited
US2363201A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-07 | 1954-02-06 | 1954-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-07 | 1958-02-06 | 1958-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-07 | 1962-02-06 | 1962-08-08 | $7700.00 | Window Closed / Lapsed |