DE680558C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Card book
Assignee: ERNST DORNEMANN
•
Filing: 1937-08-28
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Granted: 1939-08-31
•
Expires: 1957-08-28
Abstract
No abstract record available.
Inventors
- 👤 Ernst Dornemann
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-30 14:02
CPC Classifications
G; G09; G09B; G09B29/00; G09B29/02; G09B29/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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