Patent US3734532A successfully refreshed from Google Patents.
US3734532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Auxiliary wheel units for the running boards of a snowmobile
Assignee: Individual
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Filing: 1971-07-21
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Granted: 1973-05-22
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Expires: 1991-07-21
Abstract
Abstract Auxiliary wheel units for application to the running boards of a snowmobile having upturned rims at their outer edges, said units each including a wheel, a body underlying the running board of the snowmobile with legs depending therefrom and straddling the wheel, an axle extending across the legs at their lower ends and journaling the wheel for rotation, the wheels engaging the ground at a locality below the ground engaging structure of the snowmobile and a hook at the outer end of the body for holding the unit detachably secured to the running board of the snowmobile.
Inventors
- 👤 M Mattson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:16
CPC Classifications
B; B62; B62B; B62B5/00; B62B5/0083; B62M; B62M27/00; B62M27/02; B62B2202/00; B62B2202/90
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
146 words
Auxiliary wheel units detachably secured to the running boards of a snowmobile having upturned rims at their outer edges, said units each comprising: a. a wheel b. a substantially flat body, c. legs depending from said body extending normal to the flat plane of said flat body and straddling the wheel, d. an axle extending across the legs at their lower ends and journaling said wheel for rotation, e. said legs of a length that said wheels engage the ground at a locality below the ground engaging structure of the snowmobile, and f. an elongated hook extending along the outer end of the body for engagement about a portion of the rim of the running board of the snowmobile and holding the unit detachably secured to the running board of the snowmobile, the axis of said elongated hook being normal to the axis of said axle.
Claim 2
Dependent Claim
146 words
Auxiliary wheel units detachably secured to the running boards of a snowmobile having upturned rims at their outer edges, said units each comprising: a. a wheel b. a substantially flat body, c. legs depending from said body extending normal to the flat plane of said flat body and straddling the wheel, d. an axle extending across the legs at their lower ends and journaling said wheel for rotation, e. said legs of a length that said wheels engage the ground at a locality below the ground engaging structure of the snowmobile, and f. an elongated hook extending along the outer end of the body for engagement about a portion of the rim of the running board of the snowmobile and holding the unit detachably secured to the running board of the snowmobile, the axis of said elongated hook being normal to the axis of said axle.
Claim 3
Dependent Claim
106 words
Auxiliary wheel units detachably secured to the running boards of a snowmobile, said units each comprising: a. a rotatable member, b. a substantially flat body c. axle means mounting said rotatable member on said body for rotation, said rotatable members engaging the ground at a locality below the ground engaging structure of the snowmobile and d. attaching means in the form of a hook at the outer end of the flat body and overlying a portion of the flat body for holding the unit detachably secured to the running board of a snowmobile, the axis of said hook being normal to the axis of said axle.
Claim 4
Dependent Claim
106 words
Auxiliary wheel units detachably secured to the running boards of a snowmobile, said units each comprising: a. a rotatable member, b. a substantially flat body c. axle means mounting said rotatable member on said body for rotation, said rotatable members engaging the ground at a locality below the ground engaging structure of the snowmobile and d. attaching means in the form of a hook at the outer end of the flat body and overlying a portion of the flat body for holding the unit detachably secured to the running board of a snowmobile, the axis of said hook being normal to the axis of said axle.
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) | 1976-05-21 | 1976-11-20 | 1977-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-21 | 1980-11-20 | 1981-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-21 | 1984-11-20 | 1985-05-22 | $7700.00 | Window Closed / Lapsed |