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. 25, 2003
Filed:
Jun. 11, 2002
Ren-Hao Liu, Taichung, TW;
Shu Hui Wang, Taichung, TW;
Xiao Hui Wang, Taichung, TW;
Ting Hsuan Ko, Taichung, TW;
Jui-Chi Wang, Taichung, TW;
Robin Hsu, Taichung, TW;
Ya Li Huang, Taichung, TW;
Kuan Tung Li, Yunlin, TW;
Hui Wen Hsieh, Taichung, TW;
General Plastics Co., Ltd., , TW;
Abstract
A foolproof device used in a process cartridge for an image forming apparatus, where the process cartridge has a developing device and a toner container, includes female engagement portions of two different sizes formed in the toner container, projections formed in the toner container, and male engagement portions of two different sizes formed in the developing device and adapted for guiding correct installation of the toner container in the developing device and securing the toner container to the developing device.