DE668164C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Closure flap for wall ventilator
Assignee: Individual
•
Filing: 1936-03-19
•
Granted: 1938-11-26
•
Expires: 1956-03-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-31 21:27
CPC Classifications
F; F24; F24F; F24F13/00; F24F13/08; F24F13/10; F24F13/14; F24F13/142
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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