Fluid dispenser with passive pressurization
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United States of America Patent
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Sep 4, 2007
Grant Date -
Aug 25, 2005
app pub date -
Feb 19, 2004
filing date -
Feb 19, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A fluid dispenser from which fluid may be dispensed upon passive pressurization of a fluid reservoir therein. Upon exposing a nib of the fluid dispenser to the surroundings, either by disengagement of a cap or extension or contraction of the fluid dispenser, the fluid reservoir is pressurized without requiring the operator to exert manual force on the walls of the fluid dispenser. In certain embodiments, the rate of flow initiated passively may be increased by the operator actively engaging an interface, which increases the pressure within the fluid reservoir.
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