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. 04, 1996
Filed:
Apr. 26, 1995
Applicant:
Inventors:
Ravi B Sahay, San Diego, CA (US);
David H Feather, San Diego, CA (US);
Assignee:
Ravi & Associates, San Diego, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ; G03G / ;
U.S. Cl.
CPC ...
355251 ; 3553 / ; 118658 ; 118623 ;
Abstract
An electrically switchable magnetic brush for use in toner deposition or removal devices used in imaging machines of the electrostatic type. When energized by a multiphase alternating current power source or a brushless direct current power source rotatably mounted drum (9) requires no external driving force and is self-propelled.