Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 2, 2009
Patent Application Number
11517116
Date Filed
September 6, 2006
Patent Primary Examiner
Patent abstract
Embodiments provide a method of refilling an inkjet printer cartridge. The method includes providing an inkjet printer cartridge and lowering the pressure surrounding the cartridge below atmospheric level. A first volume of ink is directed into the cartridge at the reduced pressure. The method further includes at least partially raising the pressure surrounding the cartridge and subsequently at least partially lowering the pressure surrounding the cartridge. A second volume of ink is then directed into the cartridge at the second reduced pressure.
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