发明名称 Pencil eraser cleaner
摘要 The present invention relates to removing the graphite that accumulates on the rubber eraser attached at the end of a common pencil. The pencil eraser cleaner is provided with a connecting hole to mount on the eraser end of a pencil with means to be held securely and disconnected easily. The pencil eraser cleaner has four concaved cleaning surfaces for controlled rubbing action.
申请公布号 US5706543(A) 申请公布日期 1998.01.13
申请号 US19950505375 申请日期 1995.07.21
申请人 LALEVEE, SR., RUSSELL R. 发明人 LALEVEE, SR., RUSSELL R.
分类号 B43K29/02;B43L19/00;(IPC1-7):B43K29/02;B25F1/00 主分类号 B43K29/02
代理机构 代理人
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