发明名称 Layout system for construction foundation placement
摘要 A method and apparatus for laying out foundations prior to construction. Ideally, two stakes are provided for each corner to be formed in a construction project and line extends from each corner to an adjacent corner. Each stake is configured with a clamping mechanism which allows vertical and horizontal adjustment of the string associated therewith.
申请公布号 US4924579(A) 申请公布日期 1990.05.15
申请号 US19880198770 申请日期 1988.05.24
申请人 BERENDSEN, CAROL 发明人 BERENDSEN, CAROL
分类号 E04G21/18 主分类号 E04G21/18
代理机构 代理人
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