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. 23, 2013
Filed:
Mar. 28, 2007
Kwang-choon Chung, Yongin-si, KR;
Chang Soo Yu, Suwon-si, KR;
Nam Boo Cho, Anyang-si, KR;
Young Chul Shin, Suwon-si, KR;
Baek Song Heo, Ansan-si, KR;
In-ha Kim, Gunpo-si, KR;
Jae-won Choi, Gunpo-si, KR;
Kwang-Choon Chung, Yongin-si, KR;
Chang Soo Yu, Suwon-si, KR;
Nam Boo Cho, Anyang-si, KR;
Young Chul Shin, Suwon-si, KR;
Baek Song Heo, Ansan-si, KR;
In-Ha Kim, Gunpo-si, KR;
Jae-Won Choi, Gunpo-si, KR;
Inktec Co., Ltd., Kyungki-do, KR;
Abstract
Disclosed is an ink cartridge for a printer, comprising a body having an opened surface and a predetermined shape to receive ink therein; a cover coupled with the body to define a desired space; and a chamber instrument comprising a filling chamber having a space for receiving a part of the ink in the body, a discharging chamber connected with the filling chamber, an ink transferring channel for moving the ink received in the filling chamber to the discharging chamber, an air guiding hold for guiding air to an inside of the cartridge, an air suction valve for selectively passing the guided air and a pressure regulating valve for regulating an internal pressure of the body.