US2887183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanism for applying trailer brakes
Assignee: ZF Active Safety US Inc
•
Filing: 1954-06-16
•
Granted: 1959-05-19
•
Expires: 1974-06-16
Abstract
No abstract record available.
Inventors
- 👤 Elmer R Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:14
CPC Classifications
B; B60; B60T; B60T7/00; B60T7/12; B60T7/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE508137C
Cited
US1762699A
Cited
US1861723A
Cited
US1874760A
Cited
US1922719A
Cited
US1985346A
Cited
US2192055A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |