Dynamic optical information storage or retrieval – Optical storage medium structure – Disk protection
Reexamination Certificate
2006-05-09
2006-05-09
Watko, Julie Anne (Department: 2653)
Dynamic optical information storage or retrieval
Optical storage medium structure
Disk protection
C369S291100
Reexamination Certificate
active
07043742
ABSTRACT:
A protective cover for a data storage disc such as a compact disc (CD) includes a disc which has a central retainer for engaging the hole in the data storage disc. The protective cover may placed on both the data storage side and the opposite side of the data storage disc. In one embodiment the retainer consists of a plurality of upstanding members disposed on one side of the protective cover, and a corresponding plurality of cavities disposed on the other side of the protective cover. The cavities of one protective cover receive the upstanding members of another protective cover so that a plurality of protective covers may be stacked.
REFERENCES:
patent: 5857575 (1999-01-01), Watson et al.
patent: 6568526 (2003-05-01), Reinhardt et al.
patent: 6574188 (2003-06-01), Fliegel
Masters Ted
Watko Julie Anne
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