US2656145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emergency acting control unit for fluid brakes
Assignee: Individual
•
Filing: 1950-11-10
•
Granted: 1953-10-20
•
Expires: 1970-11-10
Abstract
No abstract record available.
Inventors
- 👤 Frans O Lawson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:21
CPC Classifications
B; B60; B60T; B60T7/00; B60T7/12; B60T7/124; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/3102
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US947142A
Cited
US1115645A
Cited
US1143198A
Cited
US1212955A
Cited
US1287557A
Cited
US1352861A
Cited
US2121553A
Cited
US2288767A
Cited
US2372081A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-19 | 1957-04-20 | 1957-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-19 | 1961-04-20 | 1961-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-19 | 1965-04-20 | 1965-10-20 | $7700.00 | Window Closed / Lapsed |