Patent US3895597A successfully refreshed from Google Patents.
US3895597A
Expired / Lapsed
US
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Wind operated amphibious vehicle
Assignee: Lawrence Peska Associates Inc
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Filing: 1974-05-08
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Granted: 1975-07-22
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Expires: 1994-05-08
Abstract
Abstract A wind operated amphibious vehicle large enough to support a rider has a frame, a sail and three wheels buoyant enough to support the vehicle in water. Brake and steering device acts on the two back wheels and the vehicle has sails to propel it.
Inventors
- 👤 Walter Olevsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:08
CPC Classifications
B; B62; B62B; B62B15/00; B62B15/001; B62B15/003; B62B15/004; B63; B63H; B63H9/00; B63H9/04; B63H9/06; B62B2301/00; B62B2301/25; B62B2301/252
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
107 words
A wind powered, amphibious vehicle comprising a threecornered buoyant frame, a ball-shaped buoyant front wheel rotatably connected to the front corner of said frame; a ballshaped buoyant rear wheel rotatably connected to each respective rear corner of said frame; dirigible means, mounted on said frame between said rear corners, including a pair of brake shoes contacting one of said rear wheels at a time to steer said vehicle when on land; a mast step adjacent said front corner of said frame; a rigged mast for propelling said vehicle is held in said step; a boom connected to said rigged mast; and a sheet connected to said boom.
Claim 2
Dependent Claim
107 words
A wind powered, amphibious vehicle comprising a threecornered buoyant frame, a ball-shaped buoyant front wheel rotatably connected to the front corner of said frame; a ballshaped buoyant rear wheel rotatably connected to each respective rear corner of said frame; dirigible means, mounted on said frame between said rear corners, including a pair of brake shoes contacting one of said rear wheels at a time to steer said vehicle when on land; a mast step adjacent said front corner of said frame; a rigged mast for propelling said vehicle is held in said step; a boom connected to said rigged mast; and a sheet connected to said boom.
Claim 3
Dependent Claim
22 words
The vehicle of claim 1 including a plurality of ball bearings on the underside of said corners in contact with said wheels.
Claim 4
Dependent Claim
36 words
The vehicle of claim 1, wherein said dirigible means include a rod holding said brake shoes and a steering handle integral with said rod for bringing said brake shoes into operative contact with said rear wheels.
Claim 5
Dependent Claim
11 words
The vehicle of claim 1 wherein said sail is gaff shaped.
Claim 6
Dependent Claim
20 words
The vehicle of claim 1, wherein said wheels are of hard plastic and said brake shoes are of softer plastic.
Claim 7
Dependent Claim
18 words
The vehicle of claim 2, wherein said wheels and said bearings have an outer layer of self-lubricating plastic.
References Cited (Backward Citations)
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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) | 1978-07-21 | 1979-01-20 | 1979-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-07-21 | 1983-01-20 | 1983-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-07-21 | 1987-01-20 | 1987-07-22 | $7700.00 | Window Closed / Lapsed |