Ships – Displacement-type hull – Multiple hulls
Patent
1994-09-12
1996-05-28
Avila, Stephen
Ships
Displacement-type hull
Multiple hulls
114 67R, 114283, 114292, B63B 100
Patent
active
055201300
ABSTRACT:
A boat having a pair of hull members with separate fore and after planing surfaces. Each one of the hulls has a forebottom surface, an aftbottom surface and a midbottom surface. The forebottom surfaces and the aftbottom surfaces have positive trim angles. Each midbottom surface is recessed into the respective hull member. When propelled at planing speeds, the boat skims across the water upon a planing area of the forebottom surface and a planing area of the aftbottom surface with the midbottom surface lifted out of the water.
REFERENCES:
patent: 1712281 (1929-05-01), Royer
patent: 3796175 (1974-03-01), Ford et al.
patent: 3831540 (1974-08-01), Case
patent: 3839979 (1974-10-01), Wassell
patent: 3937166 (1976-02-01), Lindsay
patent: 4635577 (1987-01-01), Palmquist
patent: 4644890 (1987-02-01), Lott
patent: 4748929 (1988-06-01), Payne
patent: 4947785 (1990-08-01), Milne
Sales brochure (date unknown), published by Nacra in Carpenteria, California.
"Miracle" sales brochure published in 1991 by Hobie Cat Company in Oceanside, California.
"The Leading Edge" article in the Jan. 1994 issue of Sailing World.
"Are You Hardcore" (date unknown) sales brochure published by Hardcore Catamarans Ltd. in New Castle, Delaware.
"Hobie Cat . . . A Way of Life" sales brochure, published in 1987 by Coast Catamaran Corp. (Hobie Cat)in Oceanside, California.
Price List and sales brochure published in 1987 by Planecat Corporation in Algonac, Michigan.
Sales brochure (date unknown) published by Dumas Products, Inc. in Tucson, Arizona.
Sales brochure published in Aug., 1994 issue of Hot Boat.
Rendezvous Sales brochure published by Bayliner Marine Corp. Jul., 1993.
"The New Speed Spectrum" article, p. 24, Sailing World, Mar., 1993 issue.
Videotape of television show about boats.
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