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.

Date of Patent:
Oct. 08, 1985

Filed:

Dec. 12, 1983
Applicant:
Inventors:

Tokundo Yamaguchi, Tama, JP;

Masanori Kimizuka, Tokyo, JP;

Isao Kawashima, Hatoyama, JP;

Assignee:

Sony Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
220 / ; 206387 ; 242197 ; 242199 ;
Abstract

A tape cassette for holding a magnetic tape which is constituted by an upper half and a lower half which define a cassette case and a tape guide located therein, wherein at least one of the upper half, the lower half and the tape guide is made of material containing ceramics.


Find Patent Forward Citations

Loading…