FR829412A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements in the means used to supply clean air to rooms or other rooms or premises
Assignee: Norman Anderson Adams
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Filing: 1937-11-17
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Granted: 1938-06-27
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Expires: 1957-11-17
Abstract
No abstract record available.
Inventors
- 👤 Norman Anderson Adams
- 👤 William Maitland Edwards
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-31 21:24
CPC Classifications
F; F24; F24F; F24F8/00; F24F8/10; F24F8/108
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References Cited (Backward Citations)
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