US3240285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power steering system
Assignee: Doosan Bobcat North America Inc
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Filing: 1962-08-16
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Granted: 1966-03-15
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Expires: 1982-08-16
Abstract
No abstract record available.
Inventors
- 👤 William A Williamson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:13
CPC Classifications
B; B62; B62D; B62D5/00; B62D5/06; B62D5/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
IN A VEHICLE HAVING A CHASSIS INCLUDING A PAIR OF TRANSVERSELY SPACED STEERING WHEELS AND TRANSVERSE AXLE MEANS SUPPORTED FROM SAID WHEELS, A POWER STEERING MECHANISM COMPRISING A PAIR OF POWER ACTUATED MOTORS CONNECTED BETWEEN FIXED POSITIONS ON THE CHASSIS AND RESPECTIVE ONES OF THE WHEELS FOR STEERING THE WHEELS, ONE OF SAID MOTORS BEING SPACED FORWARDLY OF THE AXS OF ROTATION OF THE ONE WHEEL, AND THE OTHER OF SAID MOTORS BEING SPACED REARWARDLY OF THE AXIS OF ROTATION OF THE OTHER WHEEL, SAID MOTOR BEING CONNECTED TO EACH OTHER IN A MASTER-SLAVE RELATIONSHIP.
Claim 2
Dependent Claim
95 words
IN A VEHICLE HAVING A CHASSIS INCLUDING A PAIR OF TRANSVERSELY SPACED STEERING WHEELS AND TRANSVERSE AXLE MEANS SUPPORTED FROM SAID WHEELS, A POWER STEERING MECHANISM COMPRISING A PAIR OF POWER ACTUATED MOTORS CONNECTED BETWEEN FIXED POSITIONS ON THE CHASSIS AND RESPECTIVE ONES OF THE WHEELS FOR STEERING THE WHEELS, ONE OF SAID MOTORS BEING SPACED FORWARDLY OF THE AXS OF ROTATION OF THE ONE WHEEL, AND THE OTHER OF SAID MOTORS BEING SPACED REARWARDLY OF THE AXIS OF ROTATION OF THE OTHER WHEEL, SAID MOTOR BEING CONNECTED TO EACH OTHER IN A MASTER-SLAVE RELATIONSHIP.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |