US2931179A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automobile power brakes for manual or pedal operation
Assignee: Bishop and Babcock Manufacturing Co
•
Filing: 1957-12-03
•
Granted: 1960-04-05
•
Expires: 1977-12-03
Abstract
No abstract record available.
Inventors
- 👤 Edward L Mayo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:10
CPC Classifications
B; B60; B60T; B60T8/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US747772A
Cited
US1834368A
Cited
US2497438A
Cited
US2471244A
Cited
US2649169A
Cited
US2840044A
Cited
US2762396A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-05 | 1963-10-05 | 1964-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-05 | 1967-10-05 | 1968-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-05 | 1971-10-05 | 1972-04-05 | $7700.00 | Window Closed / Lapsed |