Buoys – rafts – and aquatic devices – Water skimming or walking device – Surfboard
Patent
1992-11-17
1995-10-03
Oberleitner, Robert J.
Buoys, rafts, and aquatic devices
Water skimming or walking device
Surfboard
24306, 428100, B63B 3579
Patent
active
054547431
ABSTRACT:
A surfboard has ribbed or corrugated side rails for improved strength without an increase in weight. In a first embodiment, the board comprises a rigid, buoyant foam core, over which a rigid shell is formed, the shell having side rails with at least one external longitudinal rib. In a second embodiment, the board comprises an injection-molded plastic shell, into which a buoyant foam material is injected. The shell is formed with at least one internal longitudinal rib along each side rail. A portion of the top surface of the surfboard is covered with a layer of unbroken loop nylon material overlying a layer of closed cell foam material to form a resilient, non-abrasive, slip-resistant, water-repellent mat. A foot piece having a sole portion of unbroken loop nylon material is removably attachable to the mat by a double-sided patch of fibrous hook material.
REFERENCES:
patent: 3050751 (1962-08-01), Moon
patent: 4108452 (1978-08-01), Baron
patent: 4285082 (1981-08-01), Cox
patent: 4617214 (1986-10-01), Billarant
patent: 4645466 (1987-02-01), Ellis
patent: 4897063 (1990-01-01), Scheurer
patent: 4913077 (1990-04-01), Bectarte
patent: 4964825 (1990-10-01), Paccoret
patent: 5145430 (1992-09-01), Keys
patent: 5167552 (1992-12-01), Johnson
patent: 5170574 (1992-12-01), Weisbrich
patent: 5200245 (1993-04-01), Brodrick
Bartz C.
Oberleitner Robert J.
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