Patent DE688668C successfully refreshed from Google Patents.
DE688668C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for producing shiny surfaces on aluminum and its alloys
Assignee: Langbein Pfanhauser Werke AG
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Filing: 1937-03-20
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Granted: 1940-02-28
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Expires: 1957-03-20
Abstract
No abstract record available.
Inventors
- 👤 Dr-Ing Gerhard Elssner
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-28 16:27
CPC Classifications
C; C25; C25F; C25F3/00; C25F3/16; C25F3/18; C25F3/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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