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.

Date of Patent:
Jun. 27, 1989

Filed:

Jun. 24, 1988
Applicant:
Inventor:

Wayne D Fox, Rochester, NY (US);

Assignee:

Xerox Corporation, Stamford, CT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355253 ; 355215 ; 118658 ;
Abstract

Apparatus for priming the magnetic end seals in the developer of a xerographic-based copying or printing machine immediately on startup to quickly establish the seals and prevent initial escape of toner from the developer housing, the apparatus continuing to supply developer material to the end seals while the machine is operating, thereby to prevent seal degradation or loss resulting from use and wear.


Find Patent Forward Citations

Fox, Wayne. (1989). System for priming the magnetic brush end seals of copier/printer (U.S. Patent No. 4843421). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4843421

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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