Patent US3109506A successfully refreshed from Google Patents.
US3109506A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Walker-type motor vehicle
Assignee: Individual
•
Filing: 1961-11-02
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Granted: 1963-11-05
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Expires: 1981-11-02
Abstract
No abstract record available.
Inventors
- 👤 Schroter Kurt
- 👤 Grosse-Scharmann Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:23
CPC Classifications
B; B60; B60K; B60K17/00; B60K17/04; B60K17/10; B62; B62D; B62D57/00; B62D57/02; B62D57/022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A MOTOR VEHICLE COMPRISING A BODY, A PAIR OF FRAMES MOUNTED ON OPPOSITE SIDES OF SAID BODY FOR PIVOTAL MOVEMENT ABOUT VERTICAL AXES, VERTICAL SUPPORTS PIVOTALLY MOUNTED ON SAID FRAMES FOR PIVOTAL MOVEMENT ABOUT HORIZONTAL AXES, WHEELS MOUNTED ON SAID VERTICAL SUPPORTS, MEANS FOR ROTATING SAID WHEELS TO PROPEL THE VEHICLE, DOUBLE-ACTING FLUID PRESSURE CYLINDERS MOUNTED ON SAID FRAMES WITH EACH CYLINDER HAVING A PISTON CONNECTED TO THE RESPECTIVE VERTICAL SUPPORT, A FLUID PRESSURE SYSTEM CONNECTED TO SAID CYLINDERS TO CYCLICALLY ACTUATE THE CYLINDERS WHEREBY SAID VERTICAL SUPPORTS ARE CYCLICALLY PIVOTED ON THEIR HORIZONTAL AXES TO ADVANCE AND RETURN THE WHEELS WITH RESPECT TO SAID BODY, AND MEANS FOR SELECTIVELY PIVOTING SAID FRAMES ABOUT THEIR VERTICAL AXES TO STEER THE VEHICLE.
Claim 2
Dependent Claim
121 words
A MOTOR VEHICLE COMPRISING A BODY, A PAIR OF FRAMES MOUNTED ON OPPOSITE SIDES OF SAID BODY FOR PIVOTAL MOVEMENT ABOUT VERTICAL AXES, VERTICAL SUPPORTS PIVOTALLY MOUNTED ON SAID FRAMES FOR PIVOTAL MOVEMENT ABOUT HORIZONTAL AXES, WHEELS MOUNTED ON SAID VERTICAL SUPPORTS, MEANS FOR ROTATING SAID WHEELS TO PROPEL THE VEHICLE, DOUBLE-ACTING FLUID PRESSURE CYLINDERS MOUNTED ON SAID FRAMES WITH EACH CYLINDER HAVING A PISTON CONNECTED TO THE RESPECTIVE VERTICAL SUPPORT, A FLUID PRESSURE SYSTEM CONNECTED TO SAID CYLINDERS TO CYCLICALLY ACTUATE THE CYLINDERS WHEREBY SAID VERTICAL SUPPORTS ARE CYCLICALLY PIVOTED ON THEIR HORIZONTAL AXES TO ADVANCE AND RETURN THE WHEELS WITH RESPECT TO SAID BODY, AND MEANS FOR SELECTIVELY PIVOTING SAID FRAMES ABOUT THEIR VERTICAL AXES TO STEER THE VEHICLE.
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) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |