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. 02, 2020
Filed:
Aug. 23, 2018
Canon Kabushiki Kaisha, Tokyo, JP;
Katsuyuki Yokoi, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An ink tank includes a storage chamber formed of a front face wall, a back face wall, a first side wall, a second side wall, a top plate, and a bottom plate, an injection port, a partition wall connected to the first side wall and the second side wall, a first space surrounded by the back face wall, the first side wall, and the second side wall, and a second space surrounded by the front face wall, the first side wall, and the second side wall are formed by the partition wall, and wherein the injection port is arranged on a side of the first space, and a communication portion that communicates the first space and the second space is formed at a position between the partition wall and the bottom plate.