发明授权
- 专利标题： Measuring rule
- 专利标题（中）： 测量规则
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申请号： US612249申请日： 1996-03-07
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公开(公告)号： US5735058A公开(公告)日： 1998-04-07
- 发明人: Ruben Jimenez
- 申请人： Ruben Jimenez
- 专利权人： Jimenez; Ruben
- 当前专利权人： Jimenez; Ruben
- 主分类号： G01B3/08
- IPC分类号： G01B3/08
摘要：
An extendible measuring rule comprises a main frame and an extension element. The extension element is mounted within the main frame for easy extension and manipulation of the extension element. The main frame includes one or more scale markings, one of which is included beneath the extension element, and is progressively exposed as the extension element is withdrawn from the main frame.
公开/授权文献
- USD337641S Pacifier 公开/授权日：1993-07-20