Toothbrush having series of bristles of different height
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
May 28, 1985
Grant Date -
N/A
app pub date -
Oct 26, 1982
filing date -
Nov 6, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The object of the present invention is a toothbrush having the bristles grouped into tufts arranged in parallel rows, said bristles consisting of a first series of tufts whose height becomes greater the more distant they are from the end of the toothbrush opposite to the handle thereof, and of a second series of tufts of constant height, which alternate regularly with the tufts of bristles of the first series.
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Family
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Cited Art Landscape
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