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. 31, 1989
Filed:
May. 19, 1987
Applicant:
Inventors:
Toshihiko Wada, Tokyo, JP;
Hideki Matsuzawa, Kanagawa, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B08B / ;
U.S. Cl.
CPC ...
134 21 ; 134 254 ; 134 33 ; 151048 ; 15302 ; 15DI / ; 15303 ; 1530 / ;
Abstract
A magnetic recording disk accommodated in a casing is rotated and air in the casing is drawn through air sucking openings formed in the upper and lower sides of the casing.