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US2685808A
Expired / Lapsed
US
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Power torque-determining driver
Assignee: Individual
•
Filing: 1951-05-29
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Granted: 1954-08-10
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Expires: 1971-05-29
Abstract
No abstract record available.
Inventors
- 👤 George L Garvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:20
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/14; B25B23/142; B25B23/1422; B25B23/1427; B25B23/1425
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1479178A
Cited
US1985916A
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DE605512C
Cited
US1970179A
Cited
US2394386A
Cited
US2474247A
Cited
US2537997A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-09 | 1958-02-08 | 1958-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-09 | 1962-02-08 | 1962-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-09 | 1966-02-08 | 1966-08-10 | $7700.00 | Window Closed / Lapsed |