发明名称 |
Drainage grate |
摘要 |
A drainage grate assembly having a drainage grate which is reinforced by a substantially continuous reinforcing member confined within the grate. The load rating for the drainage grate assembly can be adjusted by adding metal strips which can be disposed within and retained by the reinforcing member.
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申请公布号 |
US7066685(B2) |
申请公布日期 |
2006.06.27 |
申请号 |
US20040823928 |
申请日期 |
2004.04.14 |
申请人 |
ACO POLYMER PRODUCTS, INC. |
发明人 |
HUMPHRIES DEREK;HUMPAGE ROY;MAYO GARY EDWIN |
分类号 |
E03F5/06;E01C11/22;E02B11/00;E04C2/42 |
主分类号 |
E03F5/06 |
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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