HAND-OPERATED PUMP
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United States of America Patent
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N/A
Issued Date -
Mar 1, 2012
app pub date -
Aug 25, 2011
filing date -
Aug 25, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Disclosed in this specification is a hand-operated dispensing pump for dispensing viscous fluids. The container includes a flexible cap attached to the bottom portion of the container that defines a fluid pumping zone. An elongated tube extends from this zone to a spout that is disposed atop the container. The cap is equipped with at least two one-way valves that selectively permit fluid to pass into the pumping zone when the cap flexes in a first direction and permits fluid to pass out of the pumping zone and out the spout when the cap flexes in a second direction.
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