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:
Jul. 09, 2002
Filed:
May. 13, 1999
Applicant:
Inventors:
Makoto Matsuzaki, Nagano, JP;
Satoshi Shinada, Nagano, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/9393 ; B41J 2/175 ;
U.S. Cl.
CPC ...
B41J 2/9393 ; B41J 2/175 ;
Abstract
An ink cartridge is composed of the body of a container provided with an ink supply port for discharging ink into a print head for housing ink and a lid for sealing the body of the container so that the container can communicate with the air. A semiconductor memory device storing information related to ink is mounted on the surface of the body of the container or the cap and is coated with a removable film.