The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 27, 2016
Filed:
May. 13, 2008
Applicant:
John a Myers, Corvallis, OR (US);
Inventor:
John A Myers, Corvallis, OR (US);
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/175 (2006.01);
U.S. Cl.
CPC ...
B41J 2/1752 (2013.01); B41J 2/17513 (2013.01); B41J 2/17553 (2013.01); B41J 2/17556 (2013.01);
Abstract
In one embodiment, an ink cartridge comprises an outer housing that defines an interior space adapted to contain ink and an air vent adapted to enable air to pass into and out of the interior space and a dividing wall provided within the interior space, the dividing wall separating the interior space into a first chamber and a second chamber, the dividing wall defining a passage through which air within the first chamber can pass into the second chamber and out of the cartridge through the air vent when the air within the first chamber expands.