发明名称 |
Protective housing for sewer or septic clean-out lines |
摘要 |
A protective cover for sewer clean-out lines for protection of the termination end of the sewer clean-out line, but permitting access to the sewer clean-out line, the housing having a cast iron collar with removable cover made into an ABS plastic skirt by force fitting, the plastic skirt having a flared lower end to maintain the position of the housing with the upper surface and cover of the cast iron collar being flush with the level of the ground.
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申请公布号 |
US5769565(A) |
申请公布日期 |
1998.06.23 |
申请号 |
US19960699508 |
申请日期 |
1996.08.19 |
申请人 |
C.P. TEST SERVICES-VALVCO, INC. |
发明人 |
MARTIN, JR., THOMAS J.;MARTIN, GLENN |
分类号 |
E03F5/02;(IPC1-7):E02D29/14 |
主分类号 |
E03F5/02 |
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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