DE341970C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Method and device for the production of security paper with a thread insert on the paper machine
Assignee: Individual
•
Filing: 1918-09-11
•
Granted: 1921-10-11
•
Expires: 1938-09-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-08 05:53
CPC Classifications
D; D21; D21F; D21F11/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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