Toothbrush
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Nov 2, 1993
Issued Date -
N/A
app pub date -
Oct 11, 1989
filing date -
Dec 11, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A toothbrush comprising a block head having bristle tufts implanted therein, at least the whole of bristle tufts outer circumferentially disposed being implanted so as to be inwardly slanted in the direction substantially toward a center of the block head.
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