Sailboard watercraft

Details Sailboard watercraft Sailboard watercraft

1987-01-30

1988-08-30

Barefoot, Galen

Buoys, rafts, and aquatic devices

Water skimming or walking device

Surfboard

440 68, 114288, 441 65, A63C 1505

Patent

active

047673702

ABSTRACT:
A sailboard has a hull (10) which is of smooth rounded elongated shape of little depth and tapers down in width and in depth from its middle region to its ends. The hull has an overall length from to five times its width and has an enclosed air passage along its underside extending longitudinally for at least a part of its length from a front air inlet opening (14) to a rear air outlet opening (16).

REFERENCES:
patent: 890045 (1908-06-01), Granrose
patent: 1007583 (1911-10-01), Loetzer
patent: 3158882 (1964-12-01), Kibby
patent: 3289227 (1966-12-01), Kelly, Jr.
patent: 3422778 (1969-01-01), Halfon
patent: 4068611 (1978-01-01), Leather
patent: 4476798 (1984-10-01), Bachus

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