US2574255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single pedal combination hydraulic and mechanical vehicle brake
Assignee: A RAY HULL
•
Filing: 1946-11-06
•
Granted: 1951-11-06
•
Expires: 1966-11-06
Abstract
No abstract record available.
Inventors
- 👤 William J Eye
- 👤 Carl W Hull
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:10
CPC Classifications
B; B60; B60T; B60T11/00; B60T11/10; B60T11/102
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
FR556970A
Cited
US1291470A
Cited
US1947904A
Cited
US1971366A
Cited
US2212523A
Cited
US2147955A
Cited
US2076047A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-05 | 1955-05-07 | 1955-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-05 | 1959-05-07 | 1959-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-05 | 1963-05-07 | 1963-11-06 | $7700.00 | Window Closed / Lapsed |