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:
Aug. 27, 2013
Filed:
Apr. 25, 2008
Declan O'keeffe, Kildare Letxtip, IE;
Patrick Lynch, Lucan Dublin, IE;
Darren Hackett, Dublin, IE;
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Abstract
A print cartridge comprises an ink housinghaving at least one interior compartmentwith a print head mounted at the base of the housing in fluid communication with the compartment via a passagewayhaving an entrance above the bottom of the compartment. A compressed foam blocksubstantially fills the compartment above the passageway entrance so as to leave a free space laterally adjacent to the passageway. A ribextends upwardly along one wall of the compartment from the free space partially to the top of the foam block, the foam block not conforming fully to the cross-section of the rib to leave an air vent channel along at least one side of the rib.