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. 27, 2010
Filed:
Nov. 30, 2006
Takayoshi Katsumura, Nagano-ken, JP;
Takayoshi Katsumura, Nagano-ken, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A liquid container detachably mounted on a liquid consuming device, the liquid container includes: a liquid containing portion; a liquid supply portion that is connected to the liquid consuming device; a liquid guide path that guides a liquid stored in the liquid containing portion to the liquid supply portion; an air communicating opening that introduces air from the outside into the liquid containing portion according to consumption of the liquid in the liquid containing portion; and a liquid detecting unit that is provided in the middle of the liquid guide path and detects an inflow of the air into the liquid guide path so as to detect that the liquid of the liquid containing portion is exhausted to a predetermined amount, wherein, a dam portion is provided in the liquid guide path such that its upper end is disposed above in a vertical direction a circumferential upper portion of a liquid inflow opening causing the liquid to flow into the liquid detecting unit.