Patent US1926433A successfully refreshed from Google Patents.
Patent CH166701A successfully refreshed from Google Patents.
CH166701A
Expired / Lapsed
CH
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Automatic closing device for ventilation small.
Assignee: Uebersax Jean
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Filing: 1933-01-26
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Granted: —
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Expires: 1953-01-26
Abstract
No abstract record available.
Inventors
- 👤 Uebersax Jean
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-10-23 13:21
CPC Classifications
A; A62; A62B; A62B13/00; A62C; A62C2/00; A62C2/06; A62C2/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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