US2936054A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetically controlled clutch of multiple disc type
Assignee: Carlyle Johnson Machine Co LLC
•
Filing: 1956-12-21
•
Granted: 1960-05-10
•
Expires: 1976-12-21
Abstract
No abstract record available.
Inventors
- 👤 Frank R Simon
- 👤 Richard O Palmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:36
CPC Classifications
F; F16; F16D; F16D27/00; F16D27/10; F16D27/108; F16D27/112; F16D27/115
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR708182A
Cited
US2344111A
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US2217357A
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US2375783A
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US2549214A
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US2418466A
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US2623619A
Cited
US2618368A
Cited
FR1075486A
Cited
AT184786B
Cited
FR1134433A
Cited
US2816454A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-10 | 1963-11-09 | 1964-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-10 | 1967-11-09 | 1968-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-10 | 1971-11-09 | 1972-05-10 | $7700.00 | Window Closed / Lapsed |