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:
Nov. 09, 2004
Filed:
Jan. 07, 1998
Seiko Epson Corporation, Tokyo, JP;
Abstract
An ink cartridge which is used with an inkjet recording apparatus includes a plurality of ink storage chambers. A first of the storage chambers can store light cyan ink, a second can store deep cyan ink, a third can store light magenta ink, a fourth can store deep magenta ink, and a fifth can store yellow ink. The ink storage chambers can all be accommodated integrally in a single ink cartridge. In one embodiment of the invention, the ink storage chambers are partitioned by partitioning walls which gradually increase in thickness as they approach the portion of the ink chambers having supply ports therein.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile