US2796945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic power steering with manual steering interlock in case of power failure
Assignee: Calspan Corp
•
Filing: 1954-02-11
•
Granted: 1957-06-25
•
Expires: 1974-02-11
Abstract
No abstract record available.
Inventors
- 👤 Edward R Dye
- 👤 Howard W Naulty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:51
CPC Classifications
B; B62; B62D; B62D5/00; B62D5/06; B62D5/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1657412A
Cited
US1910600A
Cited
DE567506C
Cited
US1914267A
Cited
US1944700A
Cited
US2362930A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-24 | 1960-12-24 | 1961-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-24 | 1964-12-24 | 1965-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-24 | 1968-12-24 | 1969-06-25 | $7700.00 | Window Closed / Lapsed |