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:
Oct. 11, 2005
Filed:
Aug. 28, 2003
Applicants:
Masanobu Saito, Shizuoka, JP;
Marehiko Hirajima, Shizuoka, JP;
Inventors:
Masanobu Saito, Shizuoka, JP;
Marehiko Hirajima, Shizuoka, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G015/00 ;
U.S. Cl.
CPC ...
Abstract
An image forming apparatus in which information regarding used amounts in image forming apparatus main bodies of different features is stored in the storage part of a cartridge, and the interchange time of the cartridge is judged by the use of the information. Thereby, even if a cartridge having interchangeability between a plurality of kinds of image forming apparatus main bodies of different features is mounted on each of the main bodies of different features, an interchange time corresponding to the main body can be grasped accurately.