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. 14, 2020
Filed:
Dec. 11, 2018
Seiko Epson Corporation, Tokyo, JP;
Hideki Okumura, Shiojiri, JP;
Takashi Koase, Shiojiri, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
A tank includes: a liquid chamber; an air introduction inlet; a liquid inlet; a liquid outlet; a liquid communication path; a filter; and an exterior wall forming the liquid chamber and including: an upper wall; a bottom wall; a first side wall; and a second side wall positioned farther away from a liquid ejection head than the first side wall is in the in-use state. The liquid communication path has: a first liquid communication path on an outer surface side of the bottom wall; and a second liquid communication path provided on an outer surface side of the first side wall and communicating with the first liquid communication path. The liquid outlet and the filter are positioned at an end part of the first liquid communication path near the second side wall. The liquid outlet is positioned in the liquid communication path near the upper wall.