Patent DE670658C successfully refreshed from Google Patents.
DE670658C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Power supply to the anode layer in three-layer aluminum refining ovens
Assignee: Aluminium Industrie AG
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Filing: 1937-12-16
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Granted: 1939-01-21
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Expires: 1957-12-16
Abstract
No abstract record available.
Inventors
- 👤 Dr Hans Hurter
- 👤 Dr Alfred Von Zeerleder
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-07 12:26
CPC Classifications
C; C25; C25C; C25C3/00; C25C3/06; C25C3/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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