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:
Sep. 12, 2006
Filed:
Jul. 30, 2003
Applicants:
Jeremy A. Davis, Battle Ground, WA (US);
David J. Waller, Vancouver, WA (US);
Kit L. Harper, Vancouver, WA (US);
Inventors:
Jeremy A. Davis, Battle Ground, WA (US);
David J. Waller, Vancouver, WA (US);
Kit L. Harper, Vancouver, WA (US);
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/175 (2006.01); B41J 2/165 (2006.01);
U.S. Cl.
CPC ...
Abstract
A pen having a printhead and a chamber for holding ink; a sensor for monitoring changes in the amount of ink in the chamber; and a pump for selectively drawing ink into or expelling ink from the chamber.
Davis, Jeremy. (2006). Pen maintenance system and method for operating same (U.S. Patent No. 7104636). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7104636
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile