AT365810B
Expired / Lapsed
AT
⏱️ 0.0 years remaining
DISK-SHAPED MASTER RECORDING MEDIUM FOR OPTICAL RECORDING
Assignee: Sony Corp
•
Filing: 1978-04-03
•
Granted: 1982-02-25
•
Expires: 1998-04-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
AT
Data Source
google_patents
Last Synchronized
2026-11-03 05:28
CPC Classifications
G; G11; G11B; G11B7/00; G11B7/24; G11B7/241; G11B7/252; G11B7/254; G11B7/2542; G03; G03C; G03C1/00; G03C1/76; G03C1/825
Claims Analysis
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References Cited (Backward Citations)
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