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.:

US 8549549 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 01, 2013

Filed:

Oct. 21, 2009
Applicants:

Koji Matsumoto, Tokyo, JP;

Yosuke Ishizuka, Kawasaki, JP;

Inventors:

Koji Matsumoto, Tokyo, JP;

Yosuke Ishizuka, Kawasaki, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 33/14 (2006.01);
U.S. Cl.
CPC ...
Abstract

Provided is an optical disk device, including a top case and a bottom case which constitute a housing having a substantially box shape in which: the top case includes, on one side thereof, a hook which engages with the bottom case; the bottom case includes an engaging portion which is provided with a cutout which engages with the hook; and a shielding portion for preventing an air flow passing through the cutout is provided in an inside of the cutout.


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Matsumoto, Koji. (2013). Optical disk device having an air flow shielding portion (U.S. Patent No. 8549549). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8549549

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