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:
May. 03, 2022
Filed:
Jul. 18, 2019
Applicant:
Hewlett-packard Development Company, L.p., Spring, TX (US);
Inventors:
Anthony Donald Studer, Albany, OR (US);
David Olsen, Corvallis, OR (US);
Quinton Buford Weaver, Albany, OR (US);
Assignee:
Hewlett-Packard Development Company, L.P., Spring, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/175 (2006.01);
U.S. Cl.
CPC ...
B41J 2/17566 (2013.01); B41J 2/1752 (2013.01); B41J 2/1753 (2013.01); B41J 2/17523 (2013.01); B41J 2/17546 (2013.01); B41J 2/17553 (2013.01);
Abstract
Examples of a print liquid supply unit are described herein. In some examples, the print liquid supply unit includes a regulator assembly. In some examples, the regulator assembly includes an at least partially expandable or contractible pressure chamber. In some examples, the print liquid supply unit includes a port. In some examples, the print liquid supply unit includes sensor circuitry positioned between the regulator assembly and the port in a print liquid reservoir.