发明名称 |
Removable sanitary sewer friction-fit plug for unwanted fluid exclusion |
摘要 |
This device will prevent intrusion of rainwater, groundwater and other unwanted fluids into a sanitary sewer system thereby alleviating the load on the sanitary sewer, collection, transmission and waste water treatment facilities thereby reducing costs.
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申请公布号 |
US7334608(B1) |
申请公布日期 |
2008.02.26 |
申请号 |
US20040025202 |
申请日期 |
2004.12.29 |
申请人 |
MCCARTNEY JOSCK ALSTON;MCCARTNEY STAFFORD ALSTON |
发明人 |
MCCARTNEY JOSCK ALSTON;MCCARTNEY STAFFORD ALSTON |
分类号 |
F16L55/10 |
主分类号 |
F16L55/10 |
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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