发明名称 |
Portable sign |
摘要 |
A sign post is supported by a separable base anchored in the ground by a pair of ground-piercing blades depending from a tubular ground contact element associated with the base. A base section of the post is secured to the tubular element closer to one of the blades. A stabilizer bar projects from the tubular element laterally of the post.
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申请公布号 |
US4343449(A) |
申请公布日期 |
1982.08.10 |
申请号 |
US19800152147 |
申请日期 |
1980.05.21 |
申请人 |
TRIAD SERVICE & MARKETING, LTD. |
发明人 |
OSTHUS, RAMON L. |
分类号 |
E04H12/22;G09F7/18;(IPC1-7):A45F3/44 |
主分类号 |
E04H12/22 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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