DE904007C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
air cleaner
Assignee: Individual
•
Filing: 1948-10-02
•
Granted: 1954-02-15
•
Expires: 1968-10-02
Abstract
No abstract record available.
Inventors
- 👤 Alfred Knecht
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-04 15:33
CPC Classifications
F; F02; F02M; F02M35/00; F02M35/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1875427A
Cited
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