Patent US2109081A successfully refreshed from Google Patents.
Patent CH440158A successfully refreshed from Google Patents.
CH440158A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Extraction device for preventing air pollution in toilets, bathrooms and similar rooms
Assignee: Levitt Natalio
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Filing: 1965-11-02
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Granted: —
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Expires: 1985-11-02
Abstract
No abstract record available.
Inventors
- 👤 Levitt Natalio
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-02 19:39
CPC Classifications
E; E03; E03D; E03D9/00; E03D9/04; E03D9/05; E03D9/052
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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