US2770326A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brake mechanism
Assignee: Borg Warner Corp
•
Filing: 1950-08-03
•
Granted: 1956-11-13
•
Expires: 1970-08-03
Abstract
No abstract record available.
Inventors
- 👤 Robert W Wayman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:57
CPC Classifications
B; B60; B60T; B60T1/00; B60T1/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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FR537328A
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US1425233A
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US1503405A
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US1498940A
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US1798808A
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US1946062A
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US1983726A
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US2021574A
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US1961308A
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US2121869A
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US2100970A
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US2437314A
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US2670064A
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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) | 1959-11-13 | 1960-05-14 | 1960-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-13 | 1964-05-14 | 1964-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-13 | 1968-05-14 | 1968-11-13 | $7700.00 | Window Closed / Lapsed |