Patent US2496431A successfully refreshed from Google Patents.
US2496431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrohydraulic brake energizer
Assignee: Individual
•
Filing: 1945-10-03
•
Granted: 1950-02-07
•
Expires: 1965-10-03
Abstract
No abstract record available.
Inventors
- 👤 Daniel F Bertonneau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:09
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/10; B60T13/66
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1774836A
Cited
US1778317A
Cited
US2083940A
Cited
US2042202A
Cited
US2031062A
Cited
US2183283A
Cited
US2318610A
Cited
US2330739A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-06 | 1953-08-08 | 1954-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-06 | 1957-08-08 | 1958-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-06 | 1961-08-08 | 1962-02-07 | $7700.00 | Window Closed / Lapsed |