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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0671361 (1976-03-29) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 35 인용 특허 : 0 |
A water blocking device mainly for the use on the interior of buildings and the like, but also usable outside thereof comprises a triangular-shaped structure in two shapes which may be interlocked to form small dam-like barriers. The primary structure is straight and formed with tongue and groove en
A surface water blocking device comprising; a self-supporting longitudinally extending section member having, first means for connection to another such section member in interlocking fashion to present a continuous barrier to the flow of surface water, second means for removably fastening each memb
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