Patent US3648310A successfully refreshed from Google Patents.
US3648310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boat structure
Assignee: Individual
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Filing: 1970-10-19
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Granted: 1972-03-14
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Expires: 1990-10-19
Abstract
Abstract Herein described is a boat structure useful in a dual hull boat arrangement. The dual hulls near the gunwales are spaced apart along the top edge thereof. A rigid structure is disposed between the spaced hull structure. The deck of the boat terminates with a downwardly depending skirt which fits over the spaced hulls and including the rigid structure. The hull, the skirt and the rigid material are then bonded and thereafter screwed together.
Inventors
- 👤 Frank W Butler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:57
CPC Classifications
B; B63; B63B; B63B5/00; B63B5/02; B63B5/06; B63B73/00; B63B73/40; B63B73/49; B63B5/24; B63B2005/242; B63B2005/247
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
89 words
A boat structure comprising: a flexible hull comprising an inner structure and an outer structure, said inner and outer structures being located directly adjacent each other throughout the hull except being spaced from each other in the gunwales; a strip of substantially rigid material being disposed between said inner and outer structures within said gunwales; a deck being disposed upon said gunwales, said deck having a skirt to overlap a portion of said gunwales; and fastening means extending through said skirt and said outer structure into said rigid structure.
Claim 2
Dependent Claim
89 words
A boat structure comprising: a flexible hull comprising an inner structure and an outer structure, said inner and outer structures being located directly adjacent each other throughout the hull except being spaced from each other in the gunwales; a strip of substantially rigid material being disposed between said inner and outer structures within said gunwales; a deck being disposed upon said gunwales, said deck having a skirt to overlap a portion of said gunwales; and fastening means extending through said skirt and said outer structure into said rigid structure.
Claim 3
Dependent Claim
25 words
The boat structure as defined in claim 1, including: said inner and said outer structures being bonded together with such being bonded to said strip.
Claim 4
Dependent Claim
20 words
The boat structure as defined in claim 2, wherein: said deck includes a ridge portion to engage said inner structure.
Claim 5
Dependent Claim
18 words
The boat structure as defined in claim 3, wherein: said strip being formed of a wood fibrous material.
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) | 1975-03-14 | 1975-09-13 | 1976-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-14 | 1979-09-13 | 1980-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-14 | 1983-09-13 | 1984-03-14 | $7700.00 | Window Closed / Lapsed |