Patent US3964560A successfully refreshed from Google Patents.
US3964560A
Expired / Lapsed
US
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Power driven ski
Assignee: SAROY ENGR
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Filing: 1975-02-20
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Granted: 1976-06-22
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Expires: 1995-02-20
Abstract
Abstract A power driven ski with an anterior sliding portion and posterior one-way snow engaging endless belt portion, a motor for propelling the belt and control means attached to a ski pole for regulating the belt's speed.
Inventors
- 👤 Royce H. Husted
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:31
CPC Classifications
A; A63; A63C; A63C5/00; A63C5/08; A63C5/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
In a power driven ski having in combination; an anterior elongated sliding ski surface portion for slidingly contacting the snow, a posterior one-way snow engaging endless belt portion for driving said ski, means for connecting said anterior portion to said posterior portion, means for attaching said ski to a skier's boot, and motor means for powering said endless belt portion, said motor means being coupled to said endless belt portion, the improvement wherein said one-way snow engaging belt has outwardly protruding means which automatically disengage from the snow and flatten against the belt during power-less skiing and automatically erect into and engage with snow during power skiing.
Claim 2
Dependent Claim
107 words
In a power driven ski having in combination; an anterior elongated sliding ski surface portion for slidingly contacting the snow, a posterior one-way snow engaging endless belt portion for driving said ski, means for connecting said anterior portion to said posterior portion, means for attaching said ski to a skier's boot, and motor means for powering said endless belt portion, said motor means being coupled to said endless belt portion, the improvement wherein said one-way snow engaging belt has outwardly protruding means which automatically disengage from the snow and flatten against the belt during power-less skiing and automatically erect into and engage with snow during power skiing.
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) | 1979-06-22 | 1979-12-22 | 1980-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-06-22 | 1983-12-22 | 1984-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-06-22 | 1987-12-22 | 1988-06-22 | $7700.00 | Window Closed / Lapsed |