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:
Jan. 01, 1991
Filed:
Jul. 03, 1989
Applicant:
Inventor:
Yasuyuki Matsuuchi, Osaka, JP;
Assignee:
Minolta Camera Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355206 ; 355298 ;
Abstract
A waste toner recovery device for use in electrostatic copying machines has a sensor and control unit which provide an advance warning when the volume of waste toner in a waste toner recovery bottle reaches a specific warning-start quantity. The control unit allows a desired value corresponding to the warning-start quantity to be selected in the copying machine.
Matsuuchi, Yasuyuki. (1991). Waste toner recovery device for use in electrostatic copying machines (U.S. Patent No. 4982231). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4982231
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile