Patent US2942708A successfully refreshed from Google Patents.
US2942708A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air operated clutch-brake mechanism
Assignee: INDUSTRIAL CLUTCH CORP
•
Filing: 1956-04-02
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Granted: 1960-06-28
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Expires: 1976-04-02
Abstract
No abstract record available.
Inventors
- 👤 Clarence M Eason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:41
CPC Classifications
F; F16; F16D; F16D67/00; F16D67/02; F16D67/04; F16D25/00; F16D25/06; F16D25/062; F16D25/063; F16D25/0635
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1869085A
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US2151153A
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US2252906A
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US2505600A
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US2636581A
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US2610719A
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US2577641A
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US2674356A
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US2767817A
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US2862589A
Cited
US2838150A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |