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. 17, 2005
Filed:
Jan. 09, 2003
Applicant:
Laura Kramer, Corvallis, OR (US);
Inventor:
Laura Kramer, Corvallis, OR (US);
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J029/393 ;
U.S. Cl.
CPC ...
Abstract
A method for detecting a print fluid includes printing the print fluid from a printing device onto an indicating medium; and producing a visible contrast between a printed area of the indicating medium and a non-printed area of the indicating medium that is formed by a reaction of the indicating medium to the print fluid.