US3249174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-speed hydraulic steering system
Assignee: Yale and Towne Inc
•
Filing: 1964-01-07
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Granted: 1966-05-03
•
Expires: 1984-01-07
Abstract
No abstract record available.
Inventors
- 👤 Herbert L Orwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:14
CPC Classifications
B; B62; B62D; B62D5/00; B62D5/06; B62D5/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
IN A VEHICLE OF THE CLASS DESCRIBED HAVING A GROUND ENGAGING WHEEL THAT IS MOUNTED FOR STEERING MOVEMENT BETWEEN OPPOSED ANGULAR STEERING POSITIONS, A PAIR OF STEERING HYDRAULIC RAMS FOR IMPARTING STEERING MOVEMENTS TO SAID WHEEL, A STEERING HANDLE, MEANS WHEREBY ROTATION OF SAID STEERING HANDLE DIRECTS FLUID PRESSURE SIMULTANEOUSLY TOWARD BOTH SAID HYDRAULIC RAMS FOR STEERING THE WHEEL ON ITS MOUNTING, AND A SELECTIVELY ACTUATED CONTROL FOR SAID MEANS FOR DIRECTING ALL OF THE FLUID PRESSURE TO ONE OF SAID RAMS, WHEREBY TO EFFECT FASTER STEERING MOVEMENTS OF SAID WHEEL BETWEEN ITS OPPOSED STEERING POSITIONS.
Claim 2
Dependent Claim
96 words
IN A VEHICLE OF THE CLASS DESCRIBED HAVING A GROUND ENGAGING WHEEL THAT IS MOUNTED FOR STEERING MOVEMENT BETWEEN OPPOSED ANGULAR STEERING POSITIONS, A PAIR OF STEERING HYDRAULIC RAMS FOR IMPARTING STEERING MOVEMENTS TO SAID WHEEL, A STEERING HANDLE, MEANS WHEREBY ROTATION OF SAID STEERING HANDLE DIRECTS FLUID PRESSURE SIMULTANEOUSLY TOWARD BOTH SAID HYDRAULIC RAMS FOR STEERING THE WHEEL ON ITS MOUNTING, AND A SELECTIVELY ACTUATED CONTROL FOR SAID MEANS FOR DIRECTING ALL OF THE FLUID PRESSURE TO ONE OF SAID RAMS, WHEREBY TO EFFECT FASTER STEERING MOVEMENTS OF SAID WHEEL BETWEEN ITS OPPOSED STEERING POSITIONS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |