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:
May. 26, 2020
Filed:
Jan. 11, 2019
Canon Kabushiki Kaisha, Tokyo, JP;
Takeho Miyashita, Yokohama, JP;
Yasuo Kotaki, Yokohama, JP;
Tetsuya Ohashi, Matsudo, JP;
Ryoji Inoue, Kawasaki, JP;
Takashi Fukushima, Yokohama, JP;
Hironori Murakami, Tokyo, JP;
Kyosuke Nagaoka, Kodaira, JP;
Kenichi Kanno, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An ink cartridge storing ink inside the ink cartridge including an ink flow path extending from the inside where the ink is stored to outside of the ink cartridge, wherein the ink flow path includes a first opening that opens toward the outside, a second opening that opens to an opposite side of the first opening, a first valve configured to seal the first opening, a second valve configured to seal the second opening, and a biasing member connected to the first and second valves and configured to bias the first and second valves.