US4945852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compact planning type boat
Assignee: Yamaha Motor Co Ltd
•
Filing: 1988-09-02
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Granted: 1990-08-07
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Expires: 2008-09-02
Abstract
Abstract A number of embodiments of small watercraft hull configurations wherein water may be permitted to enter into a rider's foot area if desired. Water barrier devices are incorporated, however, that will preclude water entry under normal running conditions.
Inventors
- 👤 Noboru Kobayashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:45
CPC Classifications
B; B63; B63B; B63B1/00; B63B1/02; B63B1/04; B63B1/16; B63B1/18; B63B34/00; B63B34/10
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
123 words
A hull configuration for a small watercraft having a raised peripheral area defining a depressed central area in which a rider's feet are adapted to be positioned, said depressed central area opening through the stern of the watercraft for permitting water to flow into the depressed central area through the stern, the improvement comprising water barrier means formed in said depressed central area forwardly of the stern and below the level of said raised peripheral area for precluding the flow of water past said water barrier means into said depressed central area and one way check valve means for permitting water to flow from the depressed central area rearwardly out of the stern and not into the depressed central area from the stern.
Claim 2
Dependent Claim
123 words
A hull configuration for a small watercraft having a raised peripheral area defining a depressed central area in which a rider's feet are adapted to be positioned, said depressed central area opening through the stern of the watercraft for permitting water to flow into the depressed central area through the stern, the improvement comprising water barrier means formed in said depressed central area forwardly of the stern and below the level of said raised peripheral area for precluding the flow of water past said water barrier means into said depressed central area and one way check valve means for permitting water to flow from the depressed central area rearwardly out of the stern and not into the depressed central area from the stern.
Claim 3
Dependent Claim
49 words
A hull configuration for a small watercraft as set forth in claim 1 wherein there is a raised central portion in the depressed central area forming a seat on which a rider may sit in straddle fashion and dividing said depressed central area into two laterally spaced foot areas.
Claim 4
Dependent Claim
48 words
A hull configuration for a small watercraft as set forth in claim 2 wherein said water barrier means includes a pair of water barriers each extending from the raised central portion to the outer periphery of the foot area at a respective side of said raised central portion.
Claim 5
Dependent Claim
25 words
A hull configuration for a small watercraft as set forth in claim 1 wherein the water barrier means is deformable for altering its effective height.
Claim 6
Dependent Claim
60 words
A hull configuration for a small watercraft as set forth in claim 3 wherein the foot areas merge at at least one end to form a generally U-shape configuration around the raised central and wherein there is provided a bridge on the central portion to the rear of the bridge and a second part to the front of the bridge.
Claim 7
Dependent Claim
41 words
A hull configuration for a small watercraft as set forth in claim 5 wherein the foot area extends through the transom and wherein the water barrier means is positioned forwardly of the transom and contiguous to the rear of the seat.
References Cited (Backward Citations)
GB325852A
Cited
US2655121A
Cited
US3397670A
Cited
US3790977A
Cited
FR2183685A1
Cited
US4425863A
Cited
US4743213A
Cited
JPH091292A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-08-06 | 1994-02-05 | 1994-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-08-06 | 1998-02-05 | 1998-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-08-06 | 2002-02-05 | 2002-08-07 | $7700.00 | Window Closed / Lapsed |