Brush head of a toothbrush
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United States of America Patent
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N/A
Issued Date -
May 13, 2010
app pub date -
Nov 13, 2008
filing date -
Nov 13, 2008
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A brush head of a toothbrush has a head body and multiple hair assemblies. The head body has a mounting surface and multiple mounting holes defined in the mounting surface. The hair assemblies are mounted respectively in the mounting holes. Each hair assembly comprising at least one bundle of soft hairs and a bundle of hard hairs. The at least one bundle of soft hairs is mounted in a corresponding one of the mounting holes and has a hardness. The bundle of hard hairs is mounted in the corresponding mounting hole, is enclosed by the at least one bundle of soft hairs and has a hardness larger than that of the soft hairs.
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