Toothbrush with toothpaste
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jun 23, 1998
Grant Date -
N/A
app pub date -
May 1, 1995
filing date -
May 1, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A toothbrush is formed with a resilient annular pump having a conical chamber formed by an inner annular surface of the pump and two axially spaced and swingable flap valves inclined with respect to the longitudinal axis of the toothbrush in respective closing positions thereof and with a projection between a piston of the pump an one of the flap valves preventing automatic delivery of the paste into the chamber and creating sufficient pressure for pushing the paste toward the bristles.
First Claim
Family
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