Patent US3014568A successfully refreshed from Google Patents.
US3014568A
Expired / Lapsed
US
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Clutch control means for automatically connecting and disconnecting the drive of cooling fans of vehicle engines
Assignee: Renault SA
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Filing: 1958-12-09
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Granted: 1961-12-26
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Expires: 1978-12-09
Abstract
No abstract record available.
Inventors
- 👤 Peras Lucien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:20
CPC Classifications
F; F16; F16D; F16D43/00; F16D43/28; F16D43/284; F01; F01P; F01P7/00; F01P7/02; F01P7/08; F01P7/081; F01P7/082; F01P7/085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE330412C
Cited
US2194274A
Cited
US2213147A
Cited
US2722296A
Cited
US2840316A
Cited
US2890687A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-25 | 1965-06-26 | 1965-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-25 | 1969-06-26 | 1969-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-25 | 1973-06-26 | 1973-12-26 | $7700.00 | Window Closed / Lapsed |