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Patent US2588665A successfully refreshed from Google Patents.
US2588665A
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US
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Brake drum
Assignee: ZF Active Safety US Inc
•
Filing: 1948-03-15
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Granted: 1952-03-11
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Expires: 1968-03-15
Abstract
No abstract record available.
Inventors
- 👤 Charles W Sinclair
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 10:54
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/02; F16D65/10; F16D2065/13; F16D2065/1304; F16D2065/1316; F16D2065/1324; F16D2065/134; F16D2065/1356; F16D2065/136
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1745301A
Cited
US1944261A
Cited
GB387933A
Cited
US2088191A
Cited
US2080895A
Cited
US2087907A
Cited
US2097125A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-11 | 1955-09-10 | 1956-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-11 | 1959-09-10 | 1960-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-11 | 1963-09-10 | 1964-03-11 | $7700.00 | Window Closed / Lapsed |