POWERED TOOTHBRUSH BRISTLE HEAD
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United States of America Patent
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Issued Date -
Oct 6, 2022
app pub date -
Jun 16, 2022
filing date -
Oct 27, 2017
priority date (Note) -
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Abstract
A powered toothbrush and toothbrush head comprise a transmission housing; a substantially disk-shaped bristle carrier; a plurality of first bristle tufts arranged on the bristle carrier along a first virtual circle; and a plurality of second bristle tufts arranged on the bristle carrier along a second virtual circle, the second virtual circle being concentric with and having a smaller diameter than the first virtual circle, wherein each of the plurality of first bristle tufts includes a plurality of bristles of a first type, having a tapered form.
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