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:
Aug. 22, 1989
Filed:
Dec. 12, 1985
Applicant:
Inventors:
Kenji Takahashi, Miyagi, JP;
Tsuneo Nemoto, Miyagi, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ;
U.S. Cl.
CPC ...
360 60 ; 360133 ;
Abstract
An indicator for representing a selectable recording state of a magnetic disk cassette, for example, a write-protection state, wherein a sliding piece fitted over a thin flat part contiguous with an opening in a lower cassette half is selectively visible through a window through an upper cassette half.