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:
Sep. 25, 2012
Filed:
Jan. 06, 2010
Applicants:
Shotaro Takeuchi, Atsugi, JP;
Hiroyuki Yamashita, Sagamihara, JP;
Inventors:
Shotaro Takeuchi, Atsugi, JP;
Hiroyuki Yamashita, Sagamihara, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/175 (2006.01);
U.S. Cl.
CPC ...
Abstract
An ink cartridge includes an inner pack that stores ink, an outer pack that packs the inner pack and into which gas is introduced to squeeze the inner pack to supply the ink to an exterior of the ink cartridge, and a cartridge case having a housing portion to enclose the outer pack and an inner wall surface against which the outer pack is inflated to be pressed as gas is introduced into the outer pack.