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:
Jan. 16, 1990

Filed:

Dec. 05, 1988
Applicant:
Inventors:

Shuichi Yamashina, Tochigi, JP;

Minoru Yahagi, Miyagi, JP;

Yuji Iwahashi, Miyagi, JP;

Assignee:

Sony Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
242198 ;
Abstract

A tape cassette is disclosed, in which upon non-use a tape-exposed portion is closed by a front lid and a back lid provided at the tape-exposed portion of a reel-to-reel type tape cassette. In this case, an injection gate is provided at a thick portion of a front wall of the front lid at its central portion thereby to mold the front lid.


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