Patent US6345364B1 successfully refreshed from Google Patents.
US2522809A
Expired / Lapsed
US
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Axially engaging fluid pressure brake
Assignee: Individual
•
Filing: 1946-02-19
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Granted: 1950-09-19
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Expires: 1966-02-19
Abstract
No abstract record available.
Inventors
- 👤 Dwight E Austin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:14
CPC Classifications
F; F16; F16D; F16D55/00; F16D55/24; F16D55/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1506930A
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US1679495A
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US1658812A
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US2001599A
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US1982235A
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US2157473A
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US2302495A
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US2384297A
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US2386477A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-18 | 1954-03-20 | 1954-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-18 | 1958-03-20 | 1958-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-18 | 1962-03-20 | 1962-09-19 | $7700.00 | Window Closed / Lapsed |