Patent DE650906C successfully refreshed from Google Patents.
DE650906C
Expired / Lapsed
DE
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Process for the production of writing surfaces provided with a top layer of carbon black emulsion
Assignee: MAGNAPHON MENDE
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Filing: 1935-03-01
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Granted: 1937-10-15
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Expires: 1955-03-01
Abstract
No abstract record available.
Inventors
- 👤 Dipl-Ing Rudolf Priem
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-03 05:37
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/24; G; G01; G01D; G01D15/00; G01D15/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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