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:
May. 24, 2005
Filed:
Jul. 25, 2001
Applicants:
Michael John Dixon, Richmond, KY (US);
Robert Edward Hackett, Lexington, KY (US);
Joe Leroy Mcguire, Lancaster, KY (US);
Inventors:
Michael John Dixon, Richmond, KY (US);
Robert Edward Hackett, Lexington, KY (US);
Joe Leroy McGuire, Lancaster, KY (US);
Assignee:
Lexmark International, Inc., Lexington, KY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F007/02 ;
U.S. Cl.
CPC ...
Abstract
A magnetic roller for electrophotography comprises a foamed resin magnetic material. A method of producing a magnetic roller comprises the steps of providing magnetic filler, a resin binder and a foaming agent in a closed mold; activating the foaming agent in the closed mold; and removing the resulting formed roller from the mold.