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:
Dec. 11, 2001
Filed:
Jul. 10, 2000
Kazushige Sakurai, Mishima, JP;
Isao Ikemoto, Kashiwa, JP;
Kazushi Watanabe, Mishima, JP;
Toshiyuki Karakama, Shizuoka-ken, JP;
Hideki Matsumoto, Mishima, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
In a developer amount successively indicating method used in an electrophotographic image forming apparatus capable of detachably mounting a plurality of types of cartridges differing in the fill amount of a developer, an indicating portion selected in conformity with the type of one of the plurality of types of cartridges which is mounted in the main body of the electrophotographic image forming apparatus is indicated, and the detected amount of developer in the cartridge mounted in the main body of the electrophotographic image forming apparatus is successively indicated by the use of the indicating portion.