Patent US3921998A successfully refreshed from Google Patents.
US3921998A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Auxiliary attachment for snowmobiles
Assignee: Individual
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Filing: 1973-10-23
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Granted: 1975-11-25
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Expires: 1993-10-23
Abstract
Abstract An auxiliary attachment for use in towing disabled snowmobiles comprised of a ski or a pair of skis, upwardly extending structural members, braces, weight-bearing member, bolt, locking means and flexible cord. The attachment is designed to support the rear part of a disabled snowmobile in an elevated position during towing. The attachment is designed to be stored on the snowmobile while said attachment is in disassembled form. Assembly is easily performed at the site of disablement of the snowmobile.
Inventors
- 👤 Stanley A Broughton
- 👤 Dennis K Guenther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:14
CPC Classifications
B; B62; B62B; B62B17/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
118 words
An auxiliary attachment to enable the towing of disabled snowmobiles comprising a pair of parallel skis to which are removably attached four upwardly extending structural members, one of said structural members attached to the rear of each ski and one of said structural members attached to the front of each ski, a weight-bearing member removably attached to the upper ends of said structural members, a bolt with locking means extending upwardly through said weight-bearing member, rear brace member removably attached between the lower portions of the two rear structural members, front brace member removably attached between the lower portions of the two front structural members, a flexible and removably attached to the center of the front brace member.
Claim 2
Dependent Claim
118 words
An auxiliary attachment to enable the towing of disabled snowmobiles comprising a pair of parallel skis to which are removably attached four upwardly extending structural members, one of said structural members attached to the rear of each ski and one of said structural members attached to the front of each ski, a weight-bearing member removably attached to the upper ends of said structural members, a bolt with locking means extending upwardly through said weight-bearing member, rear brace member removably attached between the lower portions of the two rear structural members, front brace member removably attached between the lower portions of the two front structural members, a flexible and removably attached to the center of the front brace member.
Claim 3
Dependent Claim
33 words
The auxiliary attachment of claim 1 in which said flexible cord is attached to the front structural members at the point where said structural members are removably attached to said front brace member.
Claim 4
Dependent Claim
34 words
The auxiliary attachment of claim 1 in which said flexible cord is attached to a pair of guide members joined at the Front and pivotally attached at the rear to said front brace member.
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) | 1978-11-24 | 1979-05-26 | 1979-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-11-24 | 1983-05-26 | 1983-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-11-24 | 1987-05-26 | 1987-11-25 | $7700.00 | Window Closed / Lapsed |