DE717646C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Arrangement for noise damping in electric motor-driven impeller fans with vertical shaft
Assignee: Siemens Corp
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Filing: 1938-02-20
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Granted: 1942-02-19
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Expires: 1958-02-20
Abstract
No abstract record available.
Inventors
- 👤 Carl Hahn
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-05 10:50
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/66; F04D29/661; F04D29/668
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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