US2517531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrodynamic brake for vehicles
Assignee: FOOTE BROS GEAR AND MACHINE CO
•
Filing: 1946-10-19
•
Granted: 1950-08-08
•
Expires: 1966-10-19
Abstract
No abstract record available.
Inventors
- 👤 Anderson Rexford Olan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:03
CPC Classifications
B; B60; B60T; B60T1/00; B60T1/02; B60T1/08; B60T1/087; F; F16; F16D; F16D57/00; F16D57/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2077080A
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US2241189A
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US2429989A
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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) | 1953-08-07 | 1954-02-06 | 1954-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-07 | 1958-02-06 | 1958-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-07 | 1962-02-06 | 1962-08-08 | $7700.00 | Window Closed / Lapsed |