发明名称 Composite masonry block
摘要 The present invention includes landscaping structures such as a retaining wall comprising a plurality of composite masonry blocks, the composite masonry block comprising a block body having an irregular trapezoidal shape and comprising a front surface and a back surface, an upper surface and a lower surface, and first and second sidewalls. Both the first and second sidewalls have a first and second part, the sidewall first part extends from the block front surface towards the block back surface at an angle of no greater than ninety degrees in relationship to the block front surface, the sidewall second part surfaces adjoins and lies between the sidewall first parts and the block back surface. The block also has a flange extending from the block back surface past the height of the block.
申请公布号 US5294216(A) 申请公布日期 1994.03.15
申请号 US19910651322 申请日期 1991.02.06
申请人 发明人
分类号 B28B7/00;B28B7/16;B28B17/00;E04B2/02;E04C1/39;(IPC1-7):E02D29/02 主分类号 B28B7/00
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