DE667012C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the production of security paper, banknotes, documents, textiles or similar materials with secret identification
Assignee: OSKAR DENZLER DR
•
Filing: 1932-10-05
•
Granted: 1938-11-02
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Expires: 1952-10-05
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-24 23:22
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/20; D21H17/33; D21H17/34; D21H17/41; D21H17/44; D21H21/00; D21H21/14; D21H21/40; D21H21/44
Claims Analysis
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References Cited (Backward Citations)
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