US2963119A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emergency braking mechanism for trucks and trailers
Assignee: Individual
•
Filing: 1959-12-22
•
Granted: 1960-12-06
•
Expires: 1979-12-22
Abstract
No abstract record available.
Inventors
- 👤 Edgar A Rager
- 👤 Willie T Davis
- 👤 Franklin F Day
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:11
CPC Classifications
B; B60; B60T; B60T17/00; B60T17/18; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/206
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2409908A
Cited
US2554064A
Cited
US2551888A
Cited
US2645313A
Cited
US2862583A
Cited
US2768712A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |