Patent DE650152C successfully refreshed from Google Patents.
DE650152C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the production of master copies with sharp edges for photomechanical purposes
Assignee: Individual
•
Filing: 1934-06-15
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Granted: 1937-09-25
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Expires: 1954-06-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-28 17:45
CPC Classifications
G; G03; G03F; G03F1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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