发明名称 Rain gutter assembly
摘要 This relates to an improvement for rain gutters comprising a filter attachment which is constructed to fit over the open end of the gutter. The filter attachment comprises an elongated screen to the underside of which is clamped a pad of fibrous material such as fiber glass. Adjustable clamping means is provided for holding the filter attachment in place on the gutter opening.
申请公布号 US4841686(A) 申请公布日期 1989.06.27
申请号 US19880231525 申请日期 1988.08.12
申请人 REES, HERBERT R. 发明人 REES, HERBERT R.
分类号 E04D13/076 主分类号 E04D13/076
代理机构 代理人
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