Toothbrush assembly with toothpaste dispenser
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United States of America Patent
Stats
-
May 4, 2004
Grant Date -
Oct 23, 2003
app pub date -
Apr 22, 2003
filing date -
Apr 22, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A toothbrush assembly includes a canister housing a spring biased piston, a cartridge for storing dentifrice (toothpaste) releasably received in the canister, and a brush head attached to a stem that is connected to the cartridge. A passage extends through the stem and connects an aperture in the brush head with an interior of the cartridge. A normally closed valve controls the flow of the dentifrice through the passage which dentifrice is pressured by the spring biased piston.
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Family
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