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:
Apr. 28, 2015
Filed:
Apr. 03, 2013
Applicant:
Palo Alto Research Center Incorporated, Palo Alto, CA (US);
Inventors:
David Matthew Johnson, San Francisco, CA (US);
Norine Chang, Menlo Park, CA (US);
Eric J. Shrader, Belmont, CA (US);
John S. Paschkewitz, San Carlos, CA (US);
Assignee:
Palo Alto Research Center Incorporated, Palo Alto, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/175 (2006.01); B41J 2/14 (2006.01); B41J 2/16 (2006.01);
U.S. Cl.
CPC ...
B41J 2/1433 (2013.01); B41J 2/162 (2013.01); Y10T 29/49401 (2015.01); B41J 2/14233 (2013.01); B41J 2202/07 (2013.01);
Abstract
An ink jet printer subassembly comprises an ink flow channel that includes an oleophobic membrane configured to contain ink in the ink flow channel while allowing air to vent out of the ink flow channel through the oleophobic membrane.