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:
Feb. 05, 2019
Filed:
Dec. 02, 2014
Applicant:
Hewlett-packard Development Company, L.p., Houston, TX (US);
Inventors:
Curtis Voss, Corvallis, OR (US);
Palitha Wickramanayake, Corvallis, OR (US);
Assignee:
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/175 (2006.01); B41J 2/195 (2006.01); B41J 2/14 (2006.01); B41J 2/165 (2006.01);
U.S. Cl.
CPC ...
B41J 2/17513 (2013.01); B41J 2/14129 (2013.01); B41J 2/165 (2013.01); B41J 2/195 (2013.01); B41J 2002/16502 (2013.01);
Abstract
A printhead device includes firing chambers, nozzles, and shipping fluid. The shipping fluid includes a shipping fluid density and a shipping fluid viscosity greater than a corresponding ink density and ink viscosity of an ink that will be ejected from the firing chambers and through the nozzles.