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:
Jul. 22, 2008
Filed:
Jan. 21, 2005
Applicant:
Raul Perez, San Marcos, CA (US);
Inventor:
Raul Perez, San Marcos, CA (US);
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/175 (2006.01); B41J 2/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
One embodiment of an imaging device includes a first imaging fluid reservoir connected to a first passive valve, a second imaging fluid reservoir connected to a second passive valve, and a pumping system operatively connected to the first and second imaging fluid reservoirs for selectively flowing imaging fluid from each of the first and second imaging fluid reservoirs.