Patent US3205989A successfully refreshed from Google Patents.
US3205989A
Expired / Lapsed
US
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Electromagnetic clutch having a shock absorbing elastomeric ring
Assignee: Motors Liquidation Co
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Filing: 1961-05-19
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Granted: 1965-09-14
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Expires: 1981-05-19
Abstract
No abstract record available.
Inventors
- 👤 Raymond N Mantey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:23
CPC Classifications
F; F16; F16D; F16D27/00; F16D27/10; F16D27/108; F16D27/112; F16D2027/007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1925278A
Cited
US1919523A
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US2105188A
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US2873010A
Cited
US2912963A
Cited
US2985271A
Cited
US2986251A
Cited
US3082933A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |