发明名称 Screed for leveling freshly poured concrete
摘要 A screed for leveling freshly poured concrete comprises a pair of handle assemblies each comprising a body, a first handle extending upwardly from the body, a second handle extending laterally outwardly and upwardly from the body, and a leveling bar, such as a length of lumber, releasably attached at its ends to the respective handle assemblies.
申请公布号 US4256416(A) 申请公布日期 1981.03.17
申请号 US19790038410 申请日期 1979.05.14
申请人 BISHOP, ROY I. 发明人 BISHOP, ROY I.
分类号 E04G21/10;(IPC1-7):E01C19/22 主分类号 E04G21/10
代理机构 代理人
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