Ergonomic topographic toothbrush
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Apr 26, 1994
Issued Date -
N/A
app pub date -
Apr 13, 1993
filing date -
Aug 28, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A toothbrush having a handle rotated by forty five degrees with respect to its detachable and replaceable bristle head, whose bristles form a contoured brushing surface having three to four alternating rounded peaks and valleys, and which has a raised helical screw thread on its neck that allows a twirling motion at the neck to impart a diagonal direction of travel to the bristles of the brush.
First Claim
Family
International Classification(s)
Cited Art Landscape
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