发明名称 Overflow drain insert
摘要 A method and apparatus for modifying a bathtub overflow drain to bypass potential leakage zones, i.e. between a bathtub liner and between connections of fittings through inserting a throat member from the innermost surface of the bathtub, which may be the innermost surface of a bathtub liner, to the interior of the standing portion of a drainpipe.
申请公布号 US6272699(B1) 申请公布日期 2001.08.14
申请号 US20000548337 申请日期 2000.04.12
申请人 PETERSON AARON L. 发明人 PETERSON AARON L.
分类号 E03C1/24;(IPC1-7):E03C1/22 主分类号 E03C1/24
代理机构 代理人
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