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:
Mar. 30, 2010
Filed:
Mar. 14, 2006
Takayoshi Katsumura, Nagano, JP;
Takayoshi Katsumura, Nagano, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A liquid container includes, in a container body, an ink containing portion, an ink supply portion, an ink leading pathfor leading an ink stored in the ink containing portionto the ink supply portion, and an atmosphere communication port, and an ink end sensorfor detecting an inflow of a gas to the ink leading path, thereby detecting that a residual amount of the ink in the ink containing portionis zero is provided in the middle of the ink leading path, and furthermore, an air bubble trap passagefor catching air bubbles mixed in the ink is provided in the ink leading pathbetween a detecting position of the ink end sensorand the ink containing portion