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. 01, 2008
Filed:
Feb. 24, 2005
Applicants:
Ashley E Childs, Corvallis, OR (US);
Karen St Martin, Corvallis, OR (US);
Garry Liddell, Corvallis, OR (US);
Eric S. Dod, Corvallis, OR (US);
Inventors:
Ashley E Childs, Corvallis, OR (US);
Karen St Martin, Corvallis, OR (US);
Garry Liddell, Corvallis, OR (US);
Eric S. Dod, Corvallis, OR (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/175 (2006.01);
U.S. Cl.
CPC ...
Abstract
One embodiment of a fluid cartridge includes a fluid chamber including an interior for holding fluid and an exterior in communication with an ambient air pressure, and a pressure regulator aperture extending between the interior and the exterior of the fluid chamber, the pressure regulator aperture including a plurality of curved facets concave with respect to an elongate axis of the aperture.