US2954104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic brakes for vehicle trailers
Assignee: Individual
•
Filing: 1956-12-27
•
Granted: 1960-09-27
•
Expires: 1976-12-27
Abstract
No abstract record available.
Inventors
- 👤 Delmar S Shumate
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:27
CPC Classifications
B; B60; B60T; B60T11/00; B60T11/10; B60T11/107
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA519088A
Cited
US1966977A
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US2114279A
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US2229499A
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US2281938A
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Cited
US2320585A
Cited
US2394840A
Cited
US2513854A
Cited
US2662616A
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FR1115222A
Cited
US2779443A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-27 | 1964-03-28 | 1964-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-27 | 1968-03-28 | 1968-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-27 | 1972-03-28 | 1972-09-27 | $7700.00 | Window Closed / Lapsed |