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:
May. 07, 2002
Filed:
Dec. 23, 1999
Wataru Kokubo, Tokyo, JP;
Akira Kadonaga, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
An optical disk can be stored safely within a case during its use and the case can be folded to a smaller size of a depth size less than a diameter of the optical disk during its non-use. The bottom cover and the bottom slider are connected to each other in such a way that they may be extended or retracted, the top cover and the top slider attached to the bottom cover and the upper part of the bottom slider in such a way that they may be opened or closed are also connected in such a way that they may be extended or retracted, thereby there is provided a case in which the top cover may also be extended or retracted in respect to the top slider, the case is extended to form the disk storing space within the case.