Patent DE647481C successfully refreshed from Google Patents.
DE647481C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Air gas generator
Assignee: KARL HELMUT BERNING
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Filing: 1934-08-21
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Granted: 1937-07-05
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Expires: 1954-08-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-23 19:17
CPC Classifications
B; B01; B01F; B01F31/00; B01F31/80; B01F31/86
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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