Inkjet printer cartridge refill dispenser with security lock for spent refill
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United States of America Patent
Stats
-
Mar 18, 2008
Grant Date -
Jul 21, 2005
app pub date -
Jan 21, 2004
filing date -
Jan 21, 2004
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A printing fluid dispenser including a deformable container for printing fluid; a housing locating the deformable container between a base slidingly engaging a plunger; and an outlet coupled to the deformable container and arranged to convey the printing fluid to a point external to the housing; wherein the base and plunger engage each other by means of one or more complementary protrusions and indentations formed into opposing walls of the base and plunger and positioned to prevent disengagement of the plunger from the base subsequent to operation of the dispenser.
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Cited Art Landscape
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