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. 26, 2022
Filed:
Oct. 09, 2020
Seiko Epson Corporation, Tokyo, JP;
Makoto Sawadaishi, Shiojiri, JP;
Naomi Kimura, Okaya, JP;
Yusuke Hirasawa, Matsumoto, JP;
Shoma Kudo, Shiojiri, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
A liquid storage container which includes a liquid storage chamber that includes a bottom surface, an upper surface facing the bottom surface, a first side surface orthogonal to the bottom surface and the upper surface, and a second side surface orthogonal to the bottom surface and the upper surface and facing the first side surface, and, in which the first side surface is provided with a visual recognition surface configured such that the liquid stored in the liquid storage chamber is visually recognized, the bottom surface is provided with a prism for detecting the liquid, and the liquid storage chamber is provided with a wall surface closer to the upper surface than the prism and closer to the bottom surface than an end of the visual recognition surface, which is on a side of the upper surface, in a first direction from the upper surface toward the bottom surface.