TOOTHBRUSH BRISTLE
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United States of America Patent
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Issued Date -
Jun 25, 2020
app pub date -
Dec 20, 2018
filing date -
Dec 20, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
A toothbrush, comprises a handle; a head connected to the handle; and a plurality of bristles, respective ones of the plurality of bristles including a first end having a first shape formed by an end-rounding process, a second end having a second shape, and a substantially cylindrical shaft extending between the first end and the second end. The bristles are fastened to the head by a fastener at a fastening point along the shaft, the fastening point being located nearer to the second end than to the first end such that the first end extends from a surface of the head to a first height and the second end extends from the surface of the head to a second height. The first height is greater than the second height.
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Family
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