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:
Oct. 12, 2021
Filed:
Nov. 07, 2019
Applicant:
Riso Kagaku Corporation, Tokyo, JP;
Inventors:
Assignee:
RISO KAGAKU CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/175 (2006.01); B65D 43/02 (2006.01); B65D 53/00 (2006.01);
U.S. Cl.
CPC ...
B41J 2/17513 (2013.01); B65D 43/0202 (2013.01); B41J 2/17509 (2013.01); B41J 2/17556 (2013.01); B65D 53/00 (2013.01);
Abstract
A tank includes a tank main body configured to house liquid and a lid configured to cover an upper side of the tank main body. The tank main body includes an atmosphere communication hole having an opening opened on an upper surface of the tank main body and a lowered step portion dug down from a periphery of the opening. The lid includes a recess formed on a lower surface of the lid and facing the opening.