Patent US4180881A successfully refreshed from Google Patents.
US4180881A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Folding transportable boat
Assignee: Individual
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Filing: 1978-01-16
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Granted: 1980-01-01
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Expires: 1998-01-16
Abstract
Abstract A folding boat comprising two sections, one of which may be folded back on the other for transportation, said boat being preferably formed by molding resin-impregnated fiberglass and including a frame embedded in the lower of the two folded sections and being provided with suspension means that comprises wheels mounted on leaf-springs and removably secured on opposite sides of the lower section of said boat whereby the folded boat may be towed by an automobile or other vehicle by a tow bar removably attached to the lower boat section.
Inventors
- 👤 James L. Speranza
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:22
CPC Classifications
B; B63; B63C; B63C13/00; B63C3/00; B63C3/02; B63B; B63B7/00; B63B2007/003
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
146 words
A folding transportable boat comprising: a bow boat section and a stern boat section, said sections being hinged together whereby said bow section may be folded back over said stern section; said stern section being provided with an internal frame within the material forming said section; a tow bar adapted for use on a trailer hitch, said tow bar being removably attached to said frame and extending longitudinally forward from said stern section; and independent suspension means carried by said stern section on opposite outer sides thereof and readily removable therefrom, each of said suspension means comprising a rotatable wheel and a leaf spring, said spring having one end thereof attached to said wheel and the other end thereof removably attached to said frame; and means carried by said frame and projecting outwardly from said stern section removably supporting said spring s intermediate of their ends.
Claim 2
Dependent Claim
146 words
A folding transportable boat comprising: a bow boat section and a stern boat section, said sections being hinged together whereby said bow section may be folded back over said stern section; said stern section being provided with an internal frame within the material forming said section; a tow bar adapted for use on a trailer hitch, said tow bar being removably attached to said frame and extending longitudinally forward from said stern section; and independent suspension means carried by said stern section on opposite outer sides thereof and readily removable therefrom, each of said suspension means comprising a rotatable wheel and a leaf spring, said spring having one end thereof attached to said wheel and the other end thereof removably attached to said frame; and means carried by said frame and projecting outwardly from said stern section removably supporting said spring s intermediate of their ends.
Claim 3
Dependent Claim
31 words
A folding transportable boat as defined in claim 1 wherein said boat sections are formed of molded resin-impregnated fiberglass and said frame is molded in said stern section of said boat.
Claim 4
Dependent Claim
17 words
A folding transportable boat as defined in claim 2 wherein said frame is formed of welded tubing.
Claim 5
Dependent Claim
32 words
A folding transportable boat as defined in claim 1 wherein said bow section is provided with a channel portion adapted to receive said tow bar when said boat is opened for use.
Claim 6
Dependent Claim
31 words
A folding transportable boat as defined in claim 4 wherein said boat sections are formed of molded resin-impregnated fiberglass and said frame is molded in said stern section of said boat.
Claim 7
Dependent Claim
17 words
A folding transportable boat as defined in claim 5 wherein said frame is formed of welded tubing.
Claim 8
Dependent Claim
22 words
A folding transportable boat as defined in claim 4 wherein said tow bar is accessible for use when said boat is opened.
Claim 9
Dependent Claim
24 words
A folding transportable boat as defined in claim 4 wherein said wheels are rotatably carried on axles attached to the ends of said springs.
References Cited (Backward Citations)
US1390365A
Cited
US3090973A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-12-31 | 1983-07-02 | 1984-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-12-31 | 1987-07-02 | 1988-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-12-31 | 1991-07-02 | 1992-01-01 | $7700.00 | Window Closed / Lapsed |