Electric toothbrush
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United States of America Patent
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May 9, 2017
Grant Date -
Jan 28, 2016
app pub date -
Mar 7, 2014
filing date -
Mar 11, 2013
priority date (Note) -
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Abstract
An electric toothbrush with a thinner handle part to ensure the ease of manual tooth-brushing while improving the ease of a switch operation between the operating state and the stopped state, the electric toothbrush being configured to realize an effective oral cleaning by automatically giving a necessary mechanical assistance to a brush part according to the brushing state constantly varying during tooth-brushing depending on the cleaned part and the ways of holding and moving the toothbrush.
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