US3570444A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motorski
Assignee: Individual
•
Filing: 1969-05-16
•
Granted: 1971-03-16
•
Expires: 1989-05-16
Abstract
Abstract A craft for travel upon a water surface, the craft comprising a hull with a cockpit for carrying passengers, the hull carrying an outboard motor at its rear end, and the hull being mounted upon a single front ski and a single rear ski in longitudinal alignment with each other, the front ski being able to be steered manually.
Inventors
- 👤 Robert L Farr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:50
CPC Classifications
B; B63; B63B; B63B34/00; B63B34/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
263 words
In a Motorski, the combination of a hull, said hull being mounted upon a ski assembly, said ski assembly including a rear ski stationarily mounted to said hull and a front ski rotatable relative to said hull, and a steering mechanism for rotating said front ski, said hull comprising a streamlined body made of moulded plastic or like material, said hull comprising a hollow shell member including flotation chambers therewithin and along opposite sides thereof for the purpose of providing bouyancy, said hull being provided with a foam rubber pad upon an upper side thereof upon which a rider may sit, and said hull having a windshield in front thereof, said hull including a transverse board therewithin to which a conventional outboard motor is secured, said outboard motor extending downwardly through a lower portion of said hull and said rear ski, said front ski being secured to said steering mechanism, said steering mechanism including a steering post having a pair of handle bars at its upper end, a shift lever and a throttle control adjacent said handle bars, said steering post being supported within a plurality of bearings within said hull, and a lower end of said steering post being connected to said front ski, an elevator or rising plane being formed on each side of a vertical fin extending longitudinally between said front ski and said hull, said fin being integral with said ski, and each said plane comprising a generally flat foil that is slightly inclined upwardly toward its forward edge so to form an angle of attack during forward movement.
Claim 2
Dependent Claim
263 words
In a Motorski, the combination of a hull, said hull being mounted upon a ski assembly, said ski assembly including a rear ski stationarily mounted to said hull and a front ski rotatable relative to said hull, and a steering mechanism for rotating said front ski, said hull comprising a streamlined body made of moulded plastic or like material, said hull comprising a hollow shell member including flotation chambers therewithin and along opposite sides thereof for the purpose of providing bouyancy, said hull being provided with a foam rubber pad upon an upper side thereof upon which a rider may sit, and said hull having a windshield in front thereof, said hull including a transverse board therewithin to which a conventional outboard motor is secured, said outboard motor extending downwardly through a lower portion of said hull and said rear ski, said front ski being secured to said steering mechanism, said steering mechanism including a steering post having a pair of handle bars at its upper end, a shift lever and a throttle control adjacent said handle bars, said steering post being supported within a plurality of bearings within said hull, and a lower end of said steering post being connected to said front ski, an elevator or rising plane being formed on each side of a vertical fin extending longitudinally between said front ski and said hull, said fin being integral with said ski, and each said plane comprising a generally flat foil that is slightly inclined upwardly toward its forward edge so to form an angle of attack during forward movement.
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) | 1974-03-15 | 1974-09-14 | 1975-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-15 | 1978-09-14 | 1979-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-15 | 1982-09-14 | 1983-03-16 | $7700.00 | Window Closed / Lapsed |