Toothbrush with a Flexible Region in the Handle
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United States of America Patent
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N/A
Issued Date -
Dec 26, 2013
app pub date -
Mar 7, 2012
filing date -
Mar 9, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A toothbrush wherein longitudinally between its neck region and the grip handle is a an undulating region of transverse limbs integrally linked by folds with troughs between the limbs, the troughs containing a thermoplastic elastomer material bonded to the plastic material of said limbs with a ShoreA hardness of 60-70. Specific structures and dimensions of limbs and folds are disclosed.
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