Liquid Dispensing Device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Sep 6, 2007
app pub date -
Feb 23, 2006
filing date -
Aug 16, 2004
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A liquid dispensing device has a chamber (11) for a liquid. The chamber has first and second openings (17), (18); a one way valve (19) retained in the first opening to allow liquid flow only out of the chamber; and a closure (13) slidably retained in the chamber to close the second opening. The closure has an actuator (22, 24) with a flexible element (21) which, extends into the chamber reducing its volume and thereby causing liquid to be expelled from the chamber through the valve. The closure slides in the chamber to reduce the volume of the chamber by the amount of the dispensed liquid.
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