Patent US1983751A successfully refreshed from Google Patents.
US1983751A
Expired / Lapsed
US
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Wheel brake
Assignee: Dunlop Rubber Co Ltd
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Filing: 1933-05-04
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Granted: 1934-12-11
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Expires: 1953-05-04
Abstract
No abstract record available.
Inventors
- 👤 Goodyear Ernest Frederick
- 👤 Wright Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:19
CPC Classifications
F; F16; F16D; F16D51/00; F16D51/10; F16D51/14; B; B60; B60T; B60T1/00; B60T1/02; B60T1/06; B60T1/067
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1937-12-10 | 1938-06-11 | 1938-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-12-10 | 1942-06-11 | 1942-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-12-10 | 1946-06-11 | 1946-12-11 | $7700.00 | Window Closed / Lapsed |