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:
Jun. 01, 2004
Filed:
Jun. 04, 2002
Bruce S. Jones, Franklin, TN (US);
Stephen A. Anderson, Thompson Station, TN (US);
Patrick D. Carter, Fairview, TN (US);
William A. Putman, Franklin, TN (US);
Seiko Epson Corporation, Nagano, JP;
Abstract
An ink tank cartridge (A) includes a housing ( ) having a bottom wall ( ) and a plurality of side walls ( ) forming a cavity ( ). A divider wall ( ) is positioned within the cavity to divide the cavity into first and second chambers ( ). An ink supply port ( ) projects from the bottom wall of the housing. A porous member ( ) is accommodated in the chamber having the ink supply port. The other chamber is partially filled with ink. The divider wall has an opening ( ) allowing ink to pass from one of the chambers to the other chamber. A cover ( ) having a fill hole ( ) is secured to the housing.