DE973853C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Screw fan driven by an electric motor
Assignee: Individual
•
Filing: 1951-04-08
•
Granted: 1960-06-30
•
Expires: 1971-04-08
Abstract
No abstract record available.
Inventors
- 👤 Wolfgang Schaefer
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-01 07:02
CPC Classifications
F; F04; F04D; F04D25/00; F04D25/02; F04D25/06; F04D25/0606; F04D25/0613; H; H02; H02K; H02K7/00; H02K7/14
Claims Analysis
Total Claims: 0
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