US3628206A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination coaster and raft
Assignee: Individual
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Filing: 1967-11-21
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Granted: 1971-12-21
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Expires: 1987-11-21
Abstract
Abstract This device is composed of an inflated rubber innertube which forms the main body portion of the device and a bottom portion is secured to a toroidal-shaped canvas or neoprene covering which is laced together at the top area of the device, the base portion of the device being constructed of fiberglass or other suitable material with foam rubber secured to the top of it to form a comfortable seating area within the device. The device may be used as a coasting structure for riding on soft snow safely down slopes and it also serves as a raft when used upon water.
Inventors
- 👤 John L Mecham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:08
CPC Classifications
B; B63; B63B; B63B7/00; B63B7/06; B63B7/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
In a combination coaster-and-raft device, an innertube, a flexible, hollow, toroidal-shaped cover carried by said innertube, and a rigid bottom member secured to and under said cover for providing a running surface for said device on a slope and a bottom for said device, and wherein said rigid bottom member of said device is contoured upwardly at its outer periphery in order that said rigid bottom member will act as a runner without digging into a slope.
Claim 2
Dependent Claim
77 words
In a combination coaster-and-raft device, an innertube, a flexible, hollow, toroidal-shaped cover carried by said innertube, and a rigid bottom member secured to and under said cover for providing a running surface for said device on a slope and a bottom for said device, and wherein said rigid bottom member of said device is contoured upwardly at its outer periphery in order that said rigid bottom member will act as a runner without digging into a slope.
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) | 1974-12-20 | 1975-06-21 | 1975-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-20 | 1979-06-21 | 1979-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-20 | 1983-06-21 | 1983-12-21 | $7700.00 | Window Closed / Lapsed |