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:
Jan. 31, 2023
Filed:
Feb. 08, 2021
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Takanori Aimono, Matsumoto, JP;
Eiju Hirai, Azumino, JP;
Masao Nakayama, Shiojiri, JP;
Junichi Karasawa, Shimosuwa-machi, JP;
Yoshihiro Hokari, Azumino, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/14 (2006.01);
U.S. Cl.
CPC ...
B41J 2/14233 (2013.01);
Abstract
A plurality of wall surfaces that constitute inner walls of the pressure compartment includes a surface of the recessed portion and the first wall surface, and an angle formed by the first surface and the first wall surface is greater than 90° and less than 180°.