US4625669A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Small-sized marine craft having an upstanding peripheral flange
Assignee: KAWASAKA JUKOGYO KK
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Filing: 1985-06-28
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Granted: 1986-12-02
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Expires: 2005-06-28
Abstract
Abstract A small-sized marine craft having a shell including a deck, an engine mounted in a bow portion of the shell, a propulsion device provided on a stern portion of the shell and a steering handle device provided on a bow portion of the shell. A rear part of the deck is protruded at its breadthwise central portion so as to provide a projecting seat portion and step portions on both sides of the seat portion. Stepped flanges are provided on the outer extremities of the step portions. The stepped flange has an upright wall portion protruding substantially upright from the outer extremity of the step portion and a horizontal wall portion extending laterally outwardly from the upper extremity of the upright wall portion.
Inventors
- 👤 Hiroshi Nishida
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:57
CPC Classifications
B; B63; B63B; B63B34/00; B63B34/10
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
170 words
A small-sized marine craft comprising: a shell including a deck having a projecting seat portion protruding upright from a rear part of said deck, step portions on both sides of said seat portion, and stepped flange portions formed on outer extremities of said step portions, each of said stepped flange portions having an upright wall portion standing substantially upright from said outer extremity of said step portion and a horizontal wall portion extending laterally outwardly from a top of said upright wall portion, said stepped flange portions extending around and meeting at the stern of the craft to provide a continuous stepped flange at the stern; said seat portion and said step portions having downwardly sloping tail end portions at the stern of the craft meeting said continuous stepped flange; an engine mounted in a bow portion of said shell; a propulsion means provided on a stern portion of said shell and drivingly connected to said engine; and a steering handle device provided on a bow portion of said shell.
Claim 2
Dependent Claim
170 words
A small-sized marine craft comprising: a shell including a deck having a projecting seat portion protruding upright from a rear part of said deck, step portions on both sides of said seat portion, and stepped flange portions formed on outer extremities of said step portions, each of said stepped flange portions having an upright wall portion standing substantially upright from said outer extremity of said step portion and a horizontal wall portion extending laterally outwardly from a top of said upright wall portion, said stepped flange portions extending around and meeting at the stern of the craft to provide a continuous stepped flange at the stern; said seat portion and said step portions having downwardly sloping tail end portions at the stern of the craft meeting said continuous stepped flange; an engine mounted in a bow portion of said shell; a propulsion means provided on a stern portion of said shell and drivingly connected to said engine; and a steering handle device provided on a bow portion of said shell.
Claim 3
Dependent Claim
33 words
A small-sized marine craft according to claim 1 in which each of said stepped flange portions further has a downward wall portion extending downwardly from an outer extremity of said horizontal wall portion.
Claim 4
Dependent Claim
52 words
A small-sized marine craft according to claim 2 in which said shell is provided with a horizontal extension projected substantially horizontally from the periphery thereof and continuing from said stepped flange portions, so that said shell has a horizontal wall portion and a downward wall portion substantially over an entire periphery thereof.
Claim 5
Dependent Claim
25 words
A small-sized marine craft according to claim 3, in which said horizontal extension is inclined forwardly and upwardly at the bow portion of said shell.
Claim 6
Dependent Claim
24 words
A small-sized marine craft according to claim 4, in which an angle of forward and upward inclination of said horizontal extension is about 4°.
References Cited (Backward Citations)
US3213822A
Cited
US3426724A
Cited
US3826220A
Cited
US3948206A
Cited
US4194460A
Cited
US4357893A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-12-01 | 1990-06-02 | 1990-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-12-01 | 1994-06-02 | 1994-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-12-01 | 1998-06-02 | 1998-12-02 | $7700.00 | Window Closed / Lapsed |