US3185245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steering mode selection and wheel synchronization system
Assignee: Doosan Bobcat North America Inc
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Filing: 1962-12-31
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Granted: 1965-05-25
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Expires: 1982-12-31
Abstract
No abstract record available.
Inventors
- 👤 Deryl R Hoyt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:37
CPC Classifications
B; B62; B62D; B62D7/00; B62D7/06; B62D7/14; B62D7/15; B62D7/1509; B62D5/00; B62D5/06; B62D5/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
FOR USE IN STEERING SYSTEM HAVING FIRST AND SECOND DIRIGIBLE WHEEL MEANS AND A POWER SOURCE, A STEERING MODE SELECTION AND WHEEL SYNCHRONIZATION SYSTEM COMPRISING STEERING MODE SELECTOR VALVE MEANS, FIRST AND SECOND MEANS FOR ACTUATING SAID SELECTOR VALVE MEANS, STEERING MODE SELECTOR SWITCH MEANS CONNECTIBLE TO THE POWER SOURCE AND OPERABLE TO CONNECT SAID FIRST ACTUATING MEANS, SAID SECOND ACTUATING MEANS OR NEITHER ONE OF SAID ACTUATING MEANS TO THE POWER SOURCE, MEANS FOR PREVENTING ENERGIZATION OF SAID FIRST OR SECOND ACTUATING MEANS WHEN THE FIRST WHEEL MEANS IS NOT DISPOSED IN A SUBSTANTIALLY STRAIGHT-AHEAD POSITION, AND MEANS FOR PREVENTING DEENERGIZATION OF SAID FIRST OR SECOND ACTUATING MEANS WHEN THE SECOND WHEEL MEANS IS NOT DISPOSED IN A SUBSTANTIALLY STRAIGHT-AHEAD POSITION.
Claim 2
Dependent Claim
122 words
FOR USE IN STEERING SYSTEM HAVING FIRST AND SECOND DIRIGIBLE WHEEL MEANS AND A POWER SOURCE, A STEERING MODE SELECTION AND WHEEL SYNCHRONIZATION SYSTEM COMPRISING STEERING MODE SELECTOR VALVE MEANS, FIRST AND SECOND MEANS FOR ACTUATING SAID SELECTOR VALVE MEANS, STEERING MODE SELECTOR SWITCH MEANS CONNECTIBLE TO THE POWER SOURCE AND OPERABLE TO CONNECT SAID FIRST ACTUATING MEANS, SAID SECOND ACTUATING MEANS OR NEITHER ONE OF SAID ACTUATING MEANS TO THE POWER SOURCE, MEANS FOR PREVENTING ENERGIZATION OF SAID FIRST OR SECOND ACTUATING MEANS WHEN THE FIRST WHEEL MEANS IS NOT DISPOSED IN A SUBSTANTIALLY STRAIGHT-AHEAD POSITION, AND MEANS FOR PREVENTING DEENERGIZATION OF SAID FIRST OR SECOND ACTUATING MEANS WHEN THE SECOND WHEEL MEANS IS NOT DISPOSED IN A SUBSTANTIALLY STRAIGHT-AHEAD POSITION.
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) | 1968-05-24 | 1968-11-23 | 1969-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-24 | 1972-11-23 | 1973-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-24 | 1976-11-23 | 1977-05-25 | $7700.00 | Window Closed / Lapsed |