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:
Feb. 21, 2023
Filed:
Jul. 08, 2021
Canon Kabushiki Kaisha, Tokyo, JP;
Noriyasu Nagai, Tokyo, JP;
Ryoji Inoue, Kanagawa, JP;
Kyosuke Nagaoka, Tokyo, JP;
Takayuki Tanno, Tokyo, JP;
Kenta Udagawa, Tokyo, JP;
Hideaki Matsumura, Kanagawa, JP;
Taiji Maruyama, Kanagawa, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A liquid storage container includes: a discharge port member including a discharge port through which liquid stored in a storage portion is discharged; a cover portion configured to be attachable to and detachable from the discharge port member and to be capable of opening and closing the discharge port; a liquid stop valve provided inside the discharge port member; and a protrusion provided inside the cover portion and configured to open the liquid stop valve in closing the cover portion. In the liquid storage container, the storage portion is sealable by at least one of a first sealing portion formed of a contact portion between the cover portion and the discharge port member and a second sealing portion formed of the liquid stop valve, and the first sealing portion and the second sealing portion are configured to be simultaneously unsealed.