Patent US2904866A successfully refreshed from Google Patents.
Patent US3198541A successfully refreshed from Google Patents.
US3198541A
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Universal steering apparatus
Assignee: Doosan Bobcat North America Inc
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Filing: 1962-06-18
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Granted: 1965-08-03
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Expires: 1982-06-18
Abstract
No abstract record available.
Inventors
- 👤 John C Christenson
- 👤 Ronald A Brudi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:24
CPC Classifications
B; B62; B62D; B62D7/00; B62D7/06; B62D7/14; B62D7/15; B62D7/1509
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
UNIVERSAL STEERING APPARATUS FOR A VEHICLE HAVING A PLURALITY OF PAIRS OF STEERABLE WHEELS, COMPRISING A SWIVEL SHAFT CARRYING EACH OF THE WHEELS FOR TURNING ABOUT A VERTICAL AXIS, MANUALLY OPERABLE STEERING CONTROL MEANS INCLUDING A STEERING WHEEL, PARALLELOGRAM LINKAGE MOUNTING SAID CONTROL MEANS FOR MOVEMENT LONGITUDINALLY OF THE VEHICLE AND INCLUDING A CONTROL LEVER PIVOTED AT ONE END TO THE CONTROL MEANS AND INTERMEDIATE ITS ENDS TO THE VEHICLE, MEANS FOR CONJOINTLY ROTATING THE SWIVEL SHAFTS OF EACH PAIR OF WHEELS, AND MEANS OPERATIVELY CONNECTING SAID ROTATING MEANS TO THE OTHER END OF SAID CONTROL LEVER AND TO SAID STEERING WHEEL FOR SELECTIVE TURNING OF THE PAIRS OF WHEELS TO DIRECTIONAL POSITIONS IN RESPONSE TO SELECTIVE INDEPENDENT AND CONJOINT MOVEMENT OF THE STEERING WHEEL AND CONTROL LEVER.
Claim 2
Dependent Claim
128 words
UNIVERSAL STEERING APPARATUS FOR A VEHICLE HAVING A PLURALITY OF PAIRS OF STEERABLE WHEELS, COMPRISING A SWIVEL SHAFT CARRYING EACH OF THE WHEELS FOR TURNING ABOUT A VERTICAL AXIS, MANUALLY OPERABLE STEERING CONTROL MEANS INCLUDING A STEERING WHEEL, PARALLELOGRAM LINKAGE MOUNTING SAID CONTROL MEANS FOR MOVEMENT LONGITUDINALLY OF THE VEHICLE AND INCLUDING A CONTROL LEVER PIVOTED AT ONE END TO THE CONTROL MEANS AND INTERMEDIATE ITS ENDS TO THE VEHICLE, MEANS FOR CONJOINTLY ROTATING THE SWIVEL SHAFTS OF EACH PAIR OF WHEELS, AND MEANS OPERATIVELY CONNECTING SAID ROTATING MEANS TO THE OTHER END OF SAID CONTROL LEVER AND TO SAID STEERING WHEEL FOR SELECTIVE TURNING OF THE PAIRS OF WHEELS TO DIRECTIONAL POSITIONS IN RESPONSE TO SELECTIVE INDEPENDENT AND CONJOINT MOVEMENT OF THE STEERING WHEEL AND CONTROL LEVER.
References Cited (Backward Citations)
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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) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |