发明名称 |
SINGLE PLEAT DRAIN PLUNGER |
摘要 |
A drain plunger including an elongate handle having a first end and a second end. A generally cylindrical chamber having a continuous side wall defining a void and having a first end coupled to the handle. A second end of the chamber forms a nozzle defining an opening in communication with the void. Only a single pleat formed in the side wall intermediate the first end of the chamber and the second end of the chamber, the single pleat encircling the void and movable between a compressed position and an expanded position.
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申请公布号 |
US2001037522(A1) |
申请公布日期 |
2001.11.08 |
申请号 |
US19990448373 |
申请日期 |
1999.11.23 |
申请人 |
POOL DAN B.;KREITZER DAVID F. |
发明人 |
POOL DAN B.;KREITZER DAVID F. |
分类号 |
E03C1/308;(IPC1-7):E03D11/00 |
主分类号 |
E03C1/308 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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