US3170533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle with pneumatic support
Assignee: Ling Temco Vought Inc
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Filing: 1963-07-05
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Granted: 1965-02-23
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Expires: 1983-07-05
Abstract
No abstract record available.
Inventors
- 👤 Kenneth J Fewel
- 👤 Gene P Schell
- 👤 Byron R Winborn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:50
CPC Classifications
B; B62; B62D; B62D55/00; B62D55/08; B62D55/18; B62D55/24; B62D55/247; B62D55/104; B62D55/112; B62D55/1125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
191 words
A VEHICLE PROPELLED ON A PAIR OF ENDLESS PNEUMATIC TRACKS WHICH COMPRISES: A CHASSIS HAVING TRANSVERSE AXLES AT ONE END AND A PAIR OF STUB SHAFTS AT THE OTHER END; A PAIR OF CYLINDRICAL WHEELS MOUNTED ON SAID AXLES ON OPPOSITE SIDES OF SAID CHASSIS; A CYLINDRICAL WHEEL MOUNTED ON EACH OF SAID STUB SHAFTS AND EACH ALIGNED WITH ONE OF SAID WHEELS ON SAID AXLES; MEANS FOR DRIVING SAID AXLES; A FLEXIBLE BELT ENCIRCLING THE WHEELS ON EACH SIDE OF SAID CHASSIS; RESILIENT MEANS URGING SAID STUB SHAFTS AWAY FROM SAID AXLES INDEPENDENTLY OF EACH OTHER TO INDEPENDENTLY TENSION EACH OF SAID BELTS; FLEXIBLE STRUCTURES POSITIONED ADJACENT EACH OF SAID BELTS AND FORMING A FIRST LAYER OF TRANSVERSE CHAMBERS AND FLEXIBLE STRUCTURES SECURED TO EACH OF SAID BELTS AND INTERLEAVED WITH THE CHAMBERS OF SAID FIRST LAYER TO FORM A SECOND LAYER OF TRANSVERSE CHAMBERS; AND STRUCTURE ASSOCIATED WITH THE CHAMBERS OF EACH BELT AND FORMING FLOW CHANNELS OF LIMITED FLOW CAPACITY THROUGH THE CONTIGUOUS WALLS OF ADJACENT PAIRS OF SAID CHAMBERS WHERE ONE CHAMBER OF EACH PAIR IS IN SAID FIRST LAYER AND ONE IS IN SAID SECOND LAYER.
Claim 2
Dependent Claim
191 words
A VEHICLE PROPELLED ON A PAIR OF ENDLESS PNEUMATIC TRACKS WHICH COMPRISES: A CHASSIS HAVING TRANSVERSE AXLES AT ONE END AND A PAIR OF STUB SHAFTS AT THE OTHER END; A PAIR OF CYLINDRICAL WHEELS MOUNTED ON SAID AXLES ON OPPOSITE SIDES OF SAID CHASSIS; A CYLINDRICAL WHEEL MOUNTED ON EACH OF SAID STUB SHAFTS AND EACH ALIGNED WITH ONE OF SAID WHEELS ON SAID AXLES; MEANS FOR DRIVING SAID AXLES; A FLEXIBLE BELT ENCIRCLING THE WHEELS ON EACH SIDE OF SAID CHASSIS; RESILIENT MEANS URGING SAID STUB SHAFTS AWAY FROM SAID AXLES INDEPENDENTLY OF EACH OTHER TO INDEPENDENTLY TENSION EACH OF SAID BELTS; FLEXIBLE STRUCTURES POSITIONED ADJACENT EACH OF SAID BELTS AND FORMING A FIRST LAYER OF TRANSVERSE CHAMBERS AND FLEXIBLE STRUCTURES SECURED TO EACH OF SAID BELTS AND INTERLEAVED WITH THE CHAMBERS OF SAID FIRST LAYER TO FORM A SECOND LAYER OF TRANSVERSE CHAMBERS; AND STRUCTURE ASSOCIATED WITH THE CHAMBERS OF EACH BELT AND FORMING FLOW CHANNELS OF LIMITED FLOW CAPACITY THROUGH THE CONTIGUOUS WALLS OF ADJACENT PAIRS OF SAID CHAMBERS WHERE ONE CHAMBER OF EACH PAIR IS IN SAID FIRST LAYER AND ONE IS IN SAID SECOND LAYER.
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) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |