US2966973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torque clutch
Assignee: Individual
•
Filing: 1954-04-01
•
Granted: 1961-01-03
•
Expires: 1974-04-01
Abstract
No abstract record available.
Inventors
- 👤 Henry L Hayes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:36
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/14; B25B23/141; F; F16; F16D; F16D43/00; F16D43/02; F16D43/20; F16D43/202; F16D43/204; F16D43/206
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2732050A
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US748018A
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US1118132A
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US1555098A
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US1725562A
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US1813372A
Cited
US2248133A
Cited
US2259839A
Cited
US2259149A
Cited
US2263709A
Cited
US2490172A
Cited
US2684738A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-03 | 1964-07-04 | 1965-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-03 | 1968-07-04 | 1969-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-03 | 1972-07-04 | 1973-01-03 | $7700.00 | Window Closed / Lapsed |