| 发明名称 |
Electric toothbrush |
| 摘要 |
An electric toothbrush having a timer for monitoring brushing time. The timer is activated when the pressure exertred on the bristles exceeds a predetermined minimum pressure to ensure proper brushing for a predetermined minimum period of time.
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| 申请公布号 |
US4450599(A) |
申请公布日期 |
1984.05.29 |
| 申请号 |
US19820371194 |
申请日期 |
1982.04.23 |
| 申请人 |
WUERTTEMBERGISCHE PARFUEMERIE-FABRIK GMBH |
发明人 |
SCHELLER, HANS U.;SCHELLER, KARL A. |
| 分类号 |
A46B15/00;A61C17/22;(IPC1-7):A46B13/02 |
主分类号 |
A46B15/00 |
| 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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