Toothbrush having multiple brushing surface configurations
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United States of America Patent
Stats
-
Nov 5, 1996
Grant Date -
N/A
app pub date -
Nov 13, 1995
filing date -
Nov 13, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A shaft is formed with a curved neck. The long axis of an oval brash head at the end of the neck is approximately perpendicular to a handle region of the shaft. Four semi-circular rows of bristles and two relatively straight rows of bristles project from the brush head at approximately right angles to the handle region. Two of the semi-circular rows are proximal to the handle and define a generally convex brushing surface. The other two semi-circular rows are distal to the handle and define a generally concave brushing surface. The two relatively straight rows are medial to the concave and convex brushing surfaces and define a generally planar brushing surface.
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