US2556758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Differential hydraulic power transmission
Assignee: Ford Motor Co
•
Filing: 1946-08-02
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Granted: 1951-06-12
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Expires: 1966-08-02
Abstract
No abstract record available.
Inventors
- 👤 Alex L Haynes
- 👤 Victor G Raviolo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:08
CPC Classifications
F; F16; F16H; F16H39/00; F16H39/04; F16H39/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1243640A
Cited
US1840866A
Cited
US1773587A
Cited
US1840869A
Cited
US2114076A
Cited
US2353730A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-11 | 1954-12-11 | 1955-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-11 | 1958-12-11 | 1959-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-11 | 1962-12-11 | 1963-06-12 | $7700.00 | Window Closed / Lapsed |