Brush for an electrically powered toothbrush
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United States of America Patent
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-
Nov 21, 1995
Issued Date -
N/A
app pub date -
Oct 11, 1994
filing date -
Jan 24, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The invention is directed to a brush for an electric toothbrush, comprising a cylindrical bristle supporting structure equipped with bristles arranged on several approximately concentric circular rings on the bristle supporting structure. A circular ring devoid of bristles is maintained between at least two adjacent bristled circular rings, with the average width of the bare circular ring corresponding approximately to the average width of a bristled circular ring. The brush is adapted to perform an oscillating movement vertically to the longitudinal axis of the toothbrush. As a special brush, it is particularly well suited to the cleaning of teeth of persons wearing orthodontic appliances.
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Family
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