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:
Oct. 01, 2002
Filed:
Apr. 03, 2001
Applicant:
Inventor:
Wen-Li Su, Vancouver, WA (US);
Assignee:
Hewlett-Packard Company, Palo Alto, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/195 ;
U.S. Cl.
CPC ...
B41J 2/195 ;
Abstract
An inkjet printing system that includes an ink tank, an ink containing foam volume in the ink tank, and an ink level indicator having a wire mesh capillary element in contact with the ink containing foam volume and a fluid impermeable, light transmissive window in a wall of the ink tank adjacent the wire mesh.