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. 20, 1998
Filed:
Oct. 11, 1994
Applicant:
Inventors:
Steven C Hart, Webster, NY (US);
Cyril G Edmunds, Webster, NY (US);
Thomas J Behe, Webster, NY (US);
Assignee:
Xerox Corporation, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
399253 ; 399359 ;
Abstract
An apparatus for filtering contaminants from marking particles is provided. The apparatus includes a conduit and a mover for moving the marking particles within the conduit. The apparatus also includes a screen positioned adjacent the conduit so that substantially all the marking particles discharged from the conduit pass through the screen.