Toothbrush
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 12, 2002
Grant Date -
Dec 6, 2001
app pub date -
Apr 29, 1997
filing date -
Oct 7, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a plastic toothbrush in which the substantially rigid brush head is connected by means of a spring part to the substantially rigid handle and the spring part is embedded in the plastic, a construction advantageous from the manufacturing, use and environmental standpoints is obtained in that the spring part is made at least preponderantly from plastic with a higher modulus of elasticity than the plastic surrounding it.
First Claim
Family
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Cited Art Landscape
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