US Patent 8025376 Ink cartridges
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Patent abstract
An ink cartridge includes an ink chamber including one or more walls, and the one more walls include a film. The ink cartridge also includes one or more ribs disposed within the ink chamber. Specifically, the one or more ribs contact the film of the one or more walls, and a portion of the one or more ribs is positioned closer to a center of the ink chamber than to an edge of the ink chamber.
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Patent Inventor Names
Shingo Hattori0
Tomohiro Kanbe0
Toyonori Sasaki0
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US Patent 08025376 Ink cartridges US Patent 8025376 Ink cartridges
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Patent Number
080253760
Patent Number
80253760
Edits on 23 Sep, 2022
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Infobox
Is a
Patent Jurisdiction
Patent Number
080253760
Date of Patent
September 27, 2011
0Patent Application Number
115292420
Date Filed
September 29, 2006
0Patent Primary Examiner
Edits on 13 Dec, 2021
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US Patent 08025376 Ink cartridges
Infobox
Is a
Patent jurisdiction
Patent number
08025376
Date of patent
September 27, 2011
Patent application number
11529242
Date Filed
September 29, 2006
Patent primary examiner
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