Patent US2630198A successfully refreshed from Google Patents.
US2630198A
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Fluid operated clutch or brake
Assignee: Aerojet Rocketdyne Holdings Inc
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Filing: 1949-07-22
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Granted: 1953-03-03
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Expires: 1969-07-22
Abstract
No abstract record available.
Inventors
- 👤 Herman T Kraft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:52
CPC Classifications
F; F16; F16D; F16D51/00; F16D51/08; F16D25/00; F16D25/04; F16D25/042; F16D25/046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US583865A
Cited
US627785A
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US1272852A
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GB448798A
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US2307456A
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US2251445A
Cited
US2449383A
Cited
GB576904A
Cited
US2428933A
Cited
US2480947A
Cited
US2541979A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-02 | 1956-09-01 | 1957-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-02 | 1960-09-01 | 1961-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-02 | 1964-09-01 | 1965-03-03 | $7700.00 | Window Closed / Lapsed |