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:
Feb. 22, 2005

Filed:

Jun. 03, 2002
Applicants:

Hidetoshi Yamamoto, Kanagawa, JP;

Kenji Ishikawa, Kanagawa, JP;

Yusuke Ishihara, Kanagawa, JP;

Naoki Okutsu, Kanagawa, JP;

Inventors:

Hidetoshi Yamamoto, Kanagawa, JP;

Kenji Ishikawa, Kanagawa, JP;

Yusuke Ishihara, Kanagawa, JP;

Naoki Okutsu, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B023/02 ;
U.S. Cl.
CPC ...
Abstract

A magnetic tape cartridge includes an openingC through which a magnetic tape is drawn out, and a slide doorthat slides along a sidewallD provided with the openingC to open and close the openingC. The openingC is provided in part of the sidewallD across a lower halfA and an upper halfB of the cartridge case. At least one of a lower half portion and an upper half portion of the sidewall is provided with a holding grooveL that receives a front end portionA of the slide doorwhen the opening is closed. Therefore, the upper halfB and the lower halfA of the magnetic tape cartridge may be smoothly combined.


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