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. 27, 1986
Filed:
Jan. 20, 1983
Applicant:
Inventor:
John H Jacobs, Altadena, CA (US);
Assignee:
Bell & Howell Company, Skokie, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360137 ; 360102 ;
Abstract
A method and apparatus for removing dust from an information carrier includes a rotating member having at least one channel extending therethrough, operative to act as a centrifugal pump, and also includes apparatus for recording or playback of information from the information carrier.