Toothbrush crimped contour filament
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United States of America Patent
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-
Feb 23, 1999
Grant Date -
N/A
app pub date -
Feb 10, 1998
filing date -
Feb 22, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A toothbrush for simultaneously brushing a plurality of tooth surfaces, outer inner and crown portions comprising a one head construction with anchored filaments arranged in bundles of bristles forming four longitudinal rows, the exterior angled facing inwards the two interior rows upright. By not being encircled by exterior filaments the top brushing surface remains concave.
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Family
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Cited Art Landscape
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