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:
Jun. 19, 1990
Filed:
Sep. 28, 1988
Applicant:
Inventor:
Shuji Fujisawa, Osaka, JP;
Assignee:
Mita Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355246 ; 118688 ;
Abstract
A developer supply system wherein a spiral and the like provided at a supply opening positioned above a developing unit is rotated in response to a signal from a developer sensor disposed in a place corresponding to a determined position on the way to the supply side from the center of said supply opening on the side of the developing unit so as to transport a developer contained within a developer supply tank from the supply side of said supply opening to the terminal side until the developer falls into the developer unit.
Fujisawa, Shuji. (1990). Developer supply system (U.S. Patent No. 4935783). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4935783
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile