Toothbrush for brushing teeth and massaging gums
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United States of America Patent
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Nov 17, 1998
Grant Date -
N/A
app pub date -
Jun 17, 1996
filing date -
Sep 10, 1993
priority date (Note) -
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Abstract
Improvement in a toothbrush (301), especially for the combined brushing of teeth and massaging of gums, comprising a plurality of toothbrush bristles attached at their one end to the head (302) of the toothbrush and having their other end extending freely from said head, the improvement comprising one or more inner rows or groups of bristles (303a, 303b) of ordinary cleaning quality in combination with adjacent outer rows or groups of bristles (304n, 305n) of smaller height than said inner rows of bristles, said outer bristles provided with free rounded end portions (306).
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