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:
Apr. 07, 2026
Filed:
Feb. 27, 2024
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/175 (2006.01);
U.S. Cl.
CPC ...
B41J 2/17513 (2013.01); B41J 2/17559 (2013.01);
Abstract
An ink cartridge includes a casing and a seal member. The casing includes an ink storage section storing ink, an air communication hole that is a through hole to cause the ink storage section to communicate with air, and an air communication passage that is a groove connected to the air communication hole. The seal member covers an entire area of an opening of the air communication hole and an entire area of the air communication passage. A recess different from the air communication passage is formed in an area of the casing covered with the seal member. Part of an opening of the recess is exposed from the seal member.