发明名称 Point drive stake system
摘要 A stake can be driven into a surrounding terrain using a point drive system. The stake body is formed of a durable material such as plastic with a pointed bottom end and a top end which can carry a bundle of colored filaments. The stake body has a hollow interior bore extending from a top end opening downwardly to a bottom end in the vicinity of the pointed bottom end of the stake. The hollow interior bore allows the stake to be driven into a surrounding terrain by an extended tool which is received within the interior bore in point drive fashioin.
申请公布号 US2004206293(A1) 申请公布日期 2004.10.21
申请号 US20030417701 申请日期 2003.04.17
申请人 CARROLL WILLARD D. 发明人 CARROLL WILLARD D.
分类号 G01C15/02;G01D21/00;G09F17/00;(IPC1-7):G01D21/00 主分类号 G01C15/02
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