DE684472C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Air purifier
Assignee: ERICH TSCHEUSCHNER
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Filing: 1937-08-24
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Granted: 1939-11-29
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Expires: 1957-08-24
Abstract
No abstract record available.
Inventors
- 👤 Erich Tscheuschner
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-30 08:53
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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