Patent US2881888A successfully refreshed from Google Patents.
US2881888A
Expired / Lapsed
US
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Torque control clutch
Assignee: Chicago Pneumatic Tool Co LLC
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Filing: 1954-01-26
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Granted: 1959-04-14
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Expires: 1974-01-26
Abstract
No abstract record available.
Inventors
- 👤 Lester A Amtsberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:58
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/14; B25B23/141; F; F16; F16D; F16D43/00; F16D43/02; F16D43/20; F16D43/202
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1684633A
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US1954620A
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US2263709A
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US2256781A
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US2741352A
Cited
US2765059A
Cited
US2728252A
Cited
US2765890A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |