Patent US3741217A successfully refreshed from Google Patents.
US3437186A
Expired / Lapsed
US
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Speed responsive clutch
Assignee: Eaton Corp
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Filing: 1966-06-03
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Granted: 1969-04-08
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Expires: 1986-06-03
Abstract
No abstract record available.
Inventors
- 👤 Daniel W Roper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:33
CPC Classifications
F; F16; F16H; F16H48/00; F16H48/20; F16H48/22; F16D; F16D41/00; F16D41/04; F16H48/06; F16H48/08; F16H48/12; F16H48/16; F16H48/27; F16H48/38; F16H48/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US635684A
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US731483A
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US2214819A
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US2292988A
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US2564841A
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US2699846A
Cited
US2649175A
Cited
US3324744A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |