US4440408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recreational sleigh
Assignee: Individual
•
Filing: 1981-10-19
•
Granted: 1984-04-03
•
Expires: 2001-10-19
Abstract
Abstract A recreational device for use on snow or grass-covered slopes consisting of a ski having a circular seat mounted thereon with at least one handle, preferably a pair of diametrically opposed handles, projecting radially from said seat or below said seat. An endless belt with rollers can be affixed to the underside of the ski, together with a pair of outrider wheels, for use of the device on grass slopes.
Inventors
- 👤 Boris A. Velman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:14
CPC Classifications
B; B62; B62D; B62D55/00; B62D55/06; B62D55/07; B62B; B62B13/00; B62B13/18
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
172 words
A recreational device comprising a seat, a ski having means formed thereon permitting travel over a ground surface, support means interconnecting said seat to said ski a predetermined distance apart to permit a user to sit on said seat over the ski, a pair of opposed handles which extend laterally from the underside of the seat perpendicular to the longitudinal axis of the ski, a continuous belt mounted on the underside of the ski, said endless belt having a plurality of rollers mounted thereon a substantially equal distance apart adapted to engage and roll on the ground, and a pair of wheels mounted one on each side of said ski within a central one-third of the length of the ski, each of said wheels being inclined at an angle of from about 20° to 30° from the vertical axis of the support means and inclined away from each other facing the front end of the ski at an angle of from about 15° to 20° from the longitudinal axis of the ski.
Claim 2
Dependent Claim
172 words
A recreational device comprising a seat, a ski having means formed thereon permitting travel over a ground surface, support means interconnecting said seat to said ski a predetermined distance apart to permit a user to sit on said seat over the ski, a pair of opposed handles which extend laterally from the underside of the seat perpendicular to the longitudinal axis of the ski, a continuous belt mounted on the underside of the ski, said endless belt having a plurality of rollers mounted thereon a substantially equal distance apart adapted to engage and roll on the ground, and a pair of wheels mounted one on each side of said ski within a central one-third of the length of the ski, each of said wheels being inclined at an angle of from about 20° to 30° from the vertical axis of the support means and inclined away from each other facing the front end of the ski at an angle of from about 15° to 20° from the longitudinal axis of the ski.
Claim 3
Dependent Claim
78 words
A recreational device as claimed in claim 1, in which said support means interconnecting the seat to the ski includes a plurality of support struts comprising a pair of struts secured to the ski near the front end thereof diverging upwardly laterally for securement to the front end of the seat and a pair of rear struts secured to the ski at the rear end thereof diverging upwardly laterally for securement to the rear end of the seat.
Claim 4
Dependent Claim
89 words
A recreational device as claimed in claim 2, in which said front and rear pairs of struts are secured to a rectangular base plate whereby said base plate is disposed a spaced distance from the ski substantially parallel thereto, said seat having a plate secured thereto substantially coextensive with said base plate, a shaft secured to each corner of one of said plates and passing through the opposite plate, and a compression spring interposed between the plates about each shaft for biasing the seat away from the support plate.
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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) | 1987-04-03 | 1987-10-03 | 1988-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-04-03 | 1991-10-03 | 1992-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-04-03 | 1995-10-03 | 1996-04-03 | $7700.00 | Window Closed / Lapsed |