Patent US3130686A successfully refreshed from Google Patents.
US3130686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Convertible road and railway track vehicle
Assignee: Individual
•
Filing: 1959-10-08
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Granted: 1964-04-28
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Expires: 1979-10-08
Abstract
No abstract record available.
Inventors
- 👤 Rene A Fiechter
- 👤 Gumprecht Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:59
CPC Classifications
B; B60; B60F; B60F1/00; B60F1/04; B60F1/043; B60S; B60S9/00; B60S9/14; B61; B61K; B61K5/00; B61K5/02; B60F2301/00; B60F2301/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
IN A CONVERTIBLE ROAD AND TRACK VEHICLE, A RAIL WHEEL MOUNTING ASSEMBLY COMPRISING A FRAME ADAPTED TO BE FIXED TO A VEHICLE CHASSIS, WHEEL SUPPORTING PLATES PIVOTALLY MOUNTED IN SAID FRAME FOR SWINGING MOVEMENT OF 90* BETWEEN VERTICAL AND HORIZONTAL POSITIONS, A WHEELCARRYING PLATE PIVOTALLY MOUNTED ON EACH WHEEL SUPPORTING PLATE FOR OSCILLATION THROUGH A SHORT ARC IN A PLANE PARALLEL TO THE PLANE OF SAID SUPPORTING PLATE, MEANS FOR GUIDING EACH SAID WHEEL-CARRYING PLATE IN ITS ARCUATE OSCILLATION, SPRING MEANS FOR RESISTING SAID OSCILLATION IN ONE DIRECTION AND POSITIVE MEANS FOR LIMITING SAID OSCILLATION IN BOTH DIRECTIONS.
Claim 2
Dependent Claim
98 words
IN A CONVERTIBLE ROAD AND TRACK VEHICLE, A RAIL WHEEL MOUNTING ASSEMBLY COMPRISING A FRAME ADAPTED TO BE FIXED TO A VEHICLE CHASSIS, WHEEL SUPPORTING PLATES PIVOTALLY MOUNTED IN SAID FRAME FOR SWINGING MOVEMENT OF 90* BETWEEN VERTICAL AND HORIZONTAL POSITIONS, A WHEELCARRYING PLATE PIVOTALLY MOUNTED ON EACH WHEEL SUPPORTING PLATE FOR OSCILLATION THROUGH A SHORT ARC IN A PLANE PARALLEL TO THE PLANE OF SAID SUPPORTING PLATE, MEANS FOR GUIDING EACH SAID WHEEL-CARRYING PLATE IN ITS ARCUATE OSCILLATION, SPRING MEANS FOR RESISTING SAID OSCILLATION IN ONE DIRECTION AND POSITIVE MEANS FOR LIMITING SAID OSCILLATION IN BOTH DIRECTIONS.
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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) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |