Patent US2475377A successfully refreshed from Google Patents.
US3348518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amphibious star-wheeled vehicle
Assignee: Lockheed Martin Corp
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Filing: 1965-10-13
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Granted: 1967-10-24
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Expires: 1985-10-13
Abstract
No abstract record available.
Inventors
- 👤 Robert W Forsyth
- 👤 John P Forsyth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:55
CPC Classifications
B; B60; B60F; B60F3/00; B60F3/0007; B62; B62D; B62D49/00; B62D49/06; B62D49/0621; B62D49/0635; B62D55/00; B62D55/04; B62D61/00; B62D61/12; B63; B63H; B63H1/00; B63H1/30; B63H1/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A MULTI-PURPOSE VEHICLE COMPRISING AT LEAST ONE BODY SECTION, A PLURALITY OF MAJOR WHEELS ASSEMBLY AXLES ROTATABLY ATTACHED TO SAID BODY SECTION, A PLURALITY OF MINOR WHEEL ASSEMBLY AXLES ROTATABLY ATTACHED TO SAID MAJOR WHEEL ASSEMBLY AXLES, SAID MINOR WHEEL AXLES BEING PARALLEL TO AND SPACED FROM SAID MAJOR WHEEL AXLES AND POSITIONED SUBSTANTIALLY EQUIDISTANT THEREAROUND, A WHEEL WITH LOW-PRESSURE, LOW-PROFILE, WIDE TREAD TIRE ASSEMBLY MOUNTED ON SAID MINOR WHEEL AXLES AND MEANS FOR SELECTIVELY DRIVING SAID MAJOR AND MINOR WHEEL ASSEMBLY AXLES.
Claim 2
Dependent Claim
83 words
A MULTI-PURPOSE VEHICLE COMPRISING AT LEAST ONE BODY SECTION, A PLURALITY OF MAJOR WHEELS ASSEMBLY AXLES ROTATABLY ATTACHED TO SAID BODY SECTION, A PLURALITY OF MINOR WHEEL ASSEMBLY AXLES ROTATABLY ATTACHED TO SAID MAJOR WHEEL ASSEMBLY AXLES, SAID MINOR WHEEL AXLES BEING PARALLEL TO AND SPACED FROM SAID MAJOR WHEEL AXLES AND POSITIONED SUBSTANTIALLY EQUIDISTANT THEREAROUND, A WHEEL WITH LOW-PRESSURE, LOW-PROFILE, WIDE TREAD TIRE ASSEMBLY MOUNTED ON SAID MINOR WHEEL AXLES AND MEANS FOR SELECTIVELY DRIVING SAID MAJOR AND MINOR WHEEL ASSEMBLY AXLES.
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) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |