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:
Nov. 06, 2001
Filed:
Apr. 11, 2000
Toshihiko Ujita, Yamato, JP;
Haruyuki Matsumoto, Yokohama, JP;
Keiichi Murai, Kashiwa, JP;
Kenichiro Hashimoto, Yokohama, JP;
Hideki Yamaguchi, Yokohama, JP;
Takashi Nojima, Tokyo, JP;
Shinya Matsui, Yokohama, JP;
Tetsuo Suzuki, Kawasaki, JP;
Hiroyuki Inoue, Chiba, JP;
Soichi Hiramatsu, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An ink cartridge, removably mountable on a fixed mounting portion of an ink jet recording apparatus for supplying discharged ink to a recording head carried on a movable carriage of the apparatus, comprises a flag member mounted for protrusion and retraction, an arrangement for protruding the flag member toward a path along which the carriage is moved when the ink cartridge is mounted on the mounting portion, and a photosensor mounted on the carriage in a position where it will be shielded from light by the protruding flag member.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile