US3195910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stair-climbing vehicle
Assignee: Individual
•
Filing: 1964-02-12
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Granted: 1965-07-20
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Expires: 1984-02-12
Abstract
No abstract record available.
Inventors
- 👤 Steiner Alois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:22
CPC Classifications
A; A61; A61G; A61G5/00; A61G5/06; A61G5/061; A61G5/02; A61G5/021; A61G5/023; A61G5/024; A61G5/026; A61G5/066; B; B62; B62B; B62B9/00; B62B9/02; B62D; B62D55/00; B62D55/06; B62D55/075; A61G5/10; A61G5/1056; A61G5/1075; B62B2301/00; B62B2301/25; B62B2301/256
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
IN AN OCCUPANT-CONTROLLED OBSTRUCTION CLIMBING VEHICLE, A DRIVE AXLE, A PAIR OF FRAME SECTIONS RESPECTIVELY EXTENDING FORWARDLY AND REARWARDLY FROM THE DRIVE AXLE, TRACTION MEANS OPERATIVELY CONNECTED TO THE DRIVE AXLE FOR PROPELLING THE FRAME SECTIONS ALONG THE GROUND, MEANS PIVOTLLY MOUNTING SAID PAIR OF FRAME SECTIONS ON THE DRIVE AXLE, AND MEANS MOUNTING THE TRACTION MEANS ON THE DRIVE AXLE AND THE FRAME SECTIONS FOR REDISTRIBUTING THE PROPELLING FORCE IN RESPONSE TO ANGULAR DISPLACEMENT OF ONE OF THE FRAME SECTIONS BY AN OBSTRUCTION TO INCREASE THE TRACTION ALONG THE OTHER OF SAID FRAME SECTIONS, SAID TRACTION MOUNTING MEANS INCLUDING A PAIR OF SPACED GROUND SUPPORTION WHEEL ASSEMBLIES ROTATABLY MOUNTED BY EACH FRAME SECTION, LOAD SUPPORTING WHEEL MEANS CONNECTED TO SAID DRIVE AXLE IN ALIGNMENT BETWEEN ONE OF SAID WHEEL ASSEMBLIES OF EACH FRAME SECTION FOR SUPPORT OF THE VEHICLE ON LEVEL GROUND, THE PAIR OF WHEEL ASSEMBLIES ON ONE OF THE FRAME SECTIONS SUPPORTING THE VEHICLE ON THE GROUND WHEN THE OTHER FRAME SECTION IS ANGULARLY DISPLACED BY SAID OBSTRUCTION ENGAGING THE TRACTION MEANS.
Claim 2
Dependent Claim
175 words
IN AN OCCUPANT-CONTROLLED OBSTRUCTION CLIMBING VEHICLE, A DRIVE AXLE, A PAIR OF FRAME SECTIONS RESPECTIVELY EXTENDING FORWARDLY AND REARWARDLY FROM THE DRIVE AXLE, TRACTION MEANS OPERATIVELY CONNECTED TO THE DRIVE AXLE FOR PROPELLING THE FRAME SECTIONS ALONG THE GROUND, MEANS PIVOTLLY MOUNTING SAID PAIR OF FRAME SECTIONS ON THE DRIVE AXLE, AND MEANS MOUNTING THE TRACTION MEANS ON THE DRIVE AXLE AND THE FRAME SECTIONS FOR REDISTRIBUTING THE PROPELLING FORCE IN RESPONSE TO ANGULAR DISPLACEMENT OF ONE OF THE FRAME SECTIONS BY AN OBSTRUCTION TO INCREASE THE TRACTION ALONG THE OTHER OF SAID FRAME SECTIONS, SAID TRACTION MOUNTING MEANS INCLUDING A PAIR OF SPACED GROUND SUPPORTION WHEEL ASSEMBLIES ROTATABLY MOUNTED BY EACH FRAME SECTION, LOAD SUPPORTING WHEEL MEANS CONNECTED TO SAID DRIVE AXLE IN ALIGNMENT BETWEEN ONE OF SAID WHEEL ASSEMBLIES OF EACH FRAME SECTION FOR SUPPORT OF THE VEHICLE ON LEVEL GROUND, THE PAIR OF WHEEL ASSEMBLIES ON ONE OF THE FRAME SECTIONS SUPPORTING THE VEHICLE ON THE GROUND WHEN THE OTHER FRAME SECTION IS ANGULARLY DISPLACED BY SAID OBSTRUCTION ENGAGING THE TRACTION MEANS.
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) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |