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:
Dec. 23, 2003
Filed:
Jun. 04, 2002
Stephen A. Anderson, Thompson Station, TN (US);
Bruce S. Jones, Franklin, TN (US);
William A. Putman, Franklin, TN (US);
Seiko Epson Corporation, Nagano-Ken, JP;
Abstract
An ink cartridge ( ) for dispensing ink (IK) having a housing ( ) with a cavity ( ) therein for storing a quantity of ink, and a dispensing port ( ) for delivering the ink to an output recordation device, such as a printer. The housing further has one or more additional ports ( ) extending through the housing in fluid communication with the cavity, and a check valve ( ) received in one of the additional ports. The check valve is adapted to permit fluid flow in substantially one direction.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile