DE625207C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Device for draft-free ventilation and venting of rooms
Assignee: Individual
•
Filing: 1933-02-22
•
Granted: 1936-02-05
•
Expires: 1953-02-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-01 11:22
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/02; E06B7/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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