US4027613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Planing boat hull
Assignee: Brunswick Corp
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Filing: 1975-12-10
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Granted: 1977-06-07
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Expires: 1995-12-10
Abstract
Abstract A novel bottom configuration for a V-type planing hull which consists of a V-shaped section which extends from the bow to a shoulder located aft of amidships, and a section aft of the shoulder consisting of a partial continuation of the V-sidewalls, joined by a generally horizontal bottom wall which extends to the transom.
Inventors
- 👤 Donald L. Wollard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:27
CPC Classifications
B; B63; B63B; B63B1/00; B63B1/16; B63B1/18
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
116 words
In a planing boat, a hull including a bow, a transom, top sidewalls and a bottom extending from said bow to said transom, said bottom including a V-shaped forward bottom section extending from said bow to aft of amidships, said V-shaped forward bottom section including a pair of bottom sidewalls which join at a keel, a vertically extending shoulder extending across the bottom and joining said bottom sidewalls and defining the rearmost end of said V-shaped bottom section and a rearward bottom section including a transverse wall extending from said shoulder to said transom and a continuation of the upper portion of said bottom sidewalls joined to said transverse wall and extending upwardly and outwardly therefrom.
Claim 2
Dependent Claim
116 words
In a planing boat, a hull including a bow, a transom, top sidewalls and a bottom extending from said bow to said transom, said bottom including a V-shaped forward bottom section extending from said bow to aft of amidships, said V-shaped forward bottom section including a pair of bottom sidewalls which join at a keel, a vertically extending shoulder extending across the bottom and joining said bottom sidewalls and defining the rearmost end of said V-shaped bottom section and a rearward bottom section including a transverse wall extending from said shoulder to said transom and a continuation of the upper portion of said bottom sidewalls joined to said transverse wall and extending upwardly and outwardly therefrom.
Claim 3
Dependent Claim
35 words
The planing boat of claim 1, further including power means, said power means including at least one propeller, said propeller being positioned such that at least a portion of said propeller is above said keel.
Claim 4
Dependent Claim
21 words
The planing boat of claim 2, wherein the axis of rotation of said propeller is substantially in alignment with said keel.
Claim 5
Dependent Claim
15 words
The planing boat of claim 2, wherein said propeller is located forward of the transom.
Claim 6
Dependent Claim
15 words
The planing boat of claim 2, wherein said propeller is located aft of the transom.
Claim 7
Dependent Claim
22 words
The planing boat of claim 1, wherein said rearward bottom section constitutes 10 to 50% of the overall length of said boat.
Claim 8
Dependent Claim
20 words
The planing boat of claim 1, wherein the vertical extent of said vertically-extending shoulder is from 1 to 30 inches.
Claim 9
Dependent Claim
22 words
The planing boat of claim 1, further including chines defining the point of juncture between said bottom sidewalls and said top sidewalls.
Claim 10
Dependent Claim
20 words
The planing boat of claim 1, further including a rearward continuation of the rearward bottom section aft of said transom.
References Cited (Backward Citations)
US3091206A
Cited
US3382833A
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US3469557A
Cited
US3625173A
Cited
US3745963A
Cited
US3744446A
Cited
US3793980A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-06-06 | 1980-12-06 | 1981-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-06-06 | 1984-12-06 | 1985-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-06-06 | 1988-12-06 | 1989-06-07 | $7700.00 | Window Closed / Lapsed |