Toothbrush
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United States of America Patent
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Apr 26, 1994
Issued Date -
N/A
app pub date -
Oct 19, 1992
filing date -
Aug 16, 1990
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A toothbrush has a brush head of bristles joined to a gripping portion which when grasped and used by a user in a natural, common and ordinary manner, results in the brush head being positioned automatically at a 45.degree. angle with the long axis of the teeth; the preferred tooth cleaning position of the Dr. Skillman and Dr. Bass toothbrushing method. The handle is a symmetrical four-sided column having a cross-section which can be circumscribed by a square with one diagonal parallel to the bristles of the brush head.
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Family
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