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:
Aug. 13, 2002
Filed:
Jul. 13, 2001
Makoto Shihoh, Yokohama, JP;
Osamu Sato, Chigasaki, JP;
Masatoshi Ikkatai, Yokohama, JP;
Kyoto Miyazaki, Kawasaki, JP;
Yoshimasa Araki, Kawaguchi, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An ink tank includes an ink containing portion for containing ink, a bottom surface provided with three projections for supporting the ink tank, an ink supply portion for leading ink out of the ink containing portion to the exterior a top surface opposing to said bottom surface, and a plurality of lateral surfaces adjacent to the bottom and top surfaces. The plurality of lateral surfaces include one set of opposing surfaces extended in a lengthwise direction of the ink tank. A grip portion is provided at one end of the ink tank in the lengthwise direction of insertion thereof. Two of the three projections are provided on the bottom surface in an opposed relation in areas near the opposing surfaces of the plurality of lateral surfaces, the ink supply portion being provided in an area of the top surface opposed to an area located on or within lines connecting the three projections.