Patent JPS56145504A successfully refreshed from Google Patents.
JPS56145504A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Method of copying spiral groove pattern
Assignee: RCA Corp
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Filing: 1981-03-09
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Granted: —
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Expires: 2001-03-09
Abstract
No abstract record available.
Inventors
- 👤 Ronarudo Roochi Uiriamu
- 👤 Maiyaahotsufua Deiitoritsuhi
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-04 11:54
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/20; G03F7/2022; B; B24; B24B; B24B19/00; B24B19/16; B24B19/165; G11; G11B; G11B3/00; G11B3/44; G11B3/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
JPS4834039A
Cited
JPS53122414A
Cited
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