Keying methods and apparatus for inkjet print cartridges and inkjet printers
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United States of America Patent
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Jun 15, 2004
Grant Date -
Apr 15, 2004
app pub date -
Oct 10, 2002
filing date -
Oct 10, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An inkjet printer and inkjet print cartridge are each especially configured for inter-engaging with one another via a plurality of keying features of the cartridge and keying structures of the printer such that loading of a foreign print cartridge into the printer is either not possible or results in the printer being inoperative. Thus, only print cartridges particularly configured and intended to be used in the printer will fit into and enable its operation.
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