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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0888492 (1978-03-20) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 17 인용 특허 : 2 |
A lightweight flexible, hollow surfboard having top and bottom decks, at least one of which is made from sheet balsa having the grain perpendicular to a broad surface thereof with a coating of synthetic resin laminated to that surface and spacing means between the top and bottom decks. At least one
A surfboard comprising: an elongated substantially oval deck structure having upper and lower broad surfaces and composed at least in part of balsa wood having the grain perpendicular to said broad surfaces and enclosed in a hardened layer of fiberglass-containing synthetic resin; and a generally fl
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