US3153544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steering linkage for retractable wheels
Assignee: Doosan Bobcat North America Inc
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Filing: 1962-02-01
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Granted: 1964-10-20
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Expires: 1982-02-01
Abstract
No abstract record available.
Inventors
- 👤 Richard R Jung
- 👤 Doolittle Macroger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:25
CPC Classifications
B; B62; B62D; B62D7/00; B62D7/06; B62D7/14; B62D7/142; B60; B60P; B60P1/00; B60P1/02; B60P1/027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
FOR USE WITH A VEHICLE HAVING AN ELONGATED FRAME, A MAIN SUPPORT MEMBER CONNECTED TO THE FRAME FOR PIVOTAL MOVEMENT ABOUT A TRANSVERSE AXIS AND A WHEEL SUPPORT MEMBER CONNECTED TO THE MAIN SUPPORT MEMBER FOR PIVOTAL MOVEMENT ABOUT A STEERING AXIS, A STEERING LINKAGE COMPRISING AN UPWARDLY EXTENDING ROD MEANS CONNECTED TO THE MAIN SUPPORT MEMBER FOR PIVOTAL MOVEMENT ABOUT ITS LONGITUDINAL AXIS, MEANS CONNECTING SAID ROD AND THE WHEEL SUPPORT MEMBER FOR TRANSMITTING PIVOTAL MOVEMENT FROM SAID ROD TO THE WHEEL SUPPORT MEMBER, ARM MEANS CONNECTED TO SAID ROD ADJACENT SAID TRANSVERSE AXIS FOR PIVOTAL MOVEMENT ABOUT AN AXIS TRANSVERSE
Claim 2
Dependent Claim
102 words
FOR USE WITH A VEHICLE HAVING AN ELONGATED FRAME, A MAIN SUPPORT MEMBER CONNECTED TO THE FRAME FOR PIVOTAL MOVEMENT ABOUT A TRANSVERSE AXIS AND A WHEEL SUPPORT MEMBER CONNECTED TO THE MAIN SUPPORT MEMBER FOR PIVOTAL MOVEMENT ABOUT A STEERING AXIS, A STEERING LINKAGE COMPRISING AN UPWARDLY EXTENDING ROD MEANS CONNECTED TO THE MAIN SUPPORT MEMBER FOR PIVOTAL MOVEMENT ABOUT ITS LONGITUDINAL AXIS, MEANS CONNECTING SAID ROD AND THE WHEEL SUPPORT MEMBER FOR TRANSMITTING PIVOTAL MOVEMENT FROM SAID ROD TO THE WHEEL SUPPORT MEMBER, ARM MEANS CONNECTED TO SAID ROD ADJACENT SAID TRANSVERSE AXIS FOR PIVOTAL MOVEMENT ABOUT AN AXIS TRANSVERSE
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) | 1967-10-20 | 1968-04-20 | 1968-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-20 | 1972-04-20 | 1972-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-20 | 1976-04-20 | 1976-10-20 | $7700.00 | Window Closed / Lapsed |