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:
Dec. 01, 2020
Filed:
Oct. 29, 2015
Applicant:
Hewlett-packard Development Company, L.p., Spring, TX (US);
Inventors:
Barret Kammerzell, Barcelona, ES;
Marta Coma Vives, Barcelona, ES;
Daniel Callejo, Sant Cugat del Valles, ES;
Guillem Montero Costa, Sant Cugat del Valles, ES;
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 2/17513 (2013.01); B41J 2/175 (2013.01); B41J 2/17523 (2013.01); B41J 2/17533 (2013.01); B41J 2002/17516 (2013.01);
Abstract
Herein is disclosed an ink storage unit. The ink storage unit may comprise first and second reservoirs, each having a variable internal volume; a transfer system to transfer ink between the first and second reservoirs such that as ink is transferred from the first reservoir to the second reservoir, the internal volume of the first reservoir decreases and the internal volume of the second reservoir increases.