Patent US3550071A successfully refreshed from Google Patents.
Patent US2804957A successfully refreshed from Google Patents.
US2804957A
Expired / Lapsed
US
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Clutch element for starting devices for gasoline engines
Assignee: Individual
•
Filing: 1954-07-22
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Granted: 1957-09-03
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Expires: 1974-07-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Rene G Pechin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:58
CPC Classifications
F; F02; F02N; F02N11/00; F02N11/12; F16; F16D; F16D7/00; F16D7/02; F16D7/024; F16D7/028; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/1966; Y10T74/19665; Y10T74/19688
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2161300A
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US2180086A
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US2260770A
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US2277107A
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US2316874A
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US2613780A
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US2539065A
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US2517910A
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US2645320A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-02 | 1961-03-04 | 1961-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-02 | 1965-03-04 | 1965-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-02 | 1969-03-04 | 1969-09-03 | $7700.00 | Window Closed / Lapsed |