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:
Mar. 10, 1981
Filed:
Mar. 13, 1979
Applicant:
Inventor:
Chiho Mikura, Tokyo, JP;
Assignee:
TDK Electronics Company Limited, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B65D / ; B65D / ;
U.S. Cl.
CPC ...
206313 ; 206444 ;
Abstract
A protective jacket for rotatably holding a plane disc magnetic recording medium between buffer sheets bonded on the inner surfaces of a body of the protective jacket in vortex or annular form around a rotary axis of the plane disc magnetic recording medium.