发明名称 DRAINPIPE
摘要 <p>The discharge end of downspouts for eavestroughing often constitute nuisances when mowing the lawn. By placing a foldable extension at the bottom end of the vertical portion of the downspout the problem is solved. The foldable extension is integral with a coupler sleeve, and a bracket is provided on the sleeve for releasably retaining the extension.</p>
申请公布号 CA1188476(A) 申请公布日期 1985.06.11
申请号 CA19820414793 申请日期 1982.11.03
申请人 BUSAT, ROBERT, P.O. BOX 1146, LACOMBE, ALBERTA T0C 1S0 发明人 BUSAT, ROBERT, P.O. BOX 1146, LACOMBE, ALBERTA T0C 1S0
分类号 E04D13/08;(IPC1-7):E04D13/08 主分类号 E04D13/08
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