FR543418A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Method and device for establishing good draft conditions in chimneys
Assignee: Jean Bachmann
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Filing: 1921-11-10
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Granted: 1922-09-02
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Expires: 1941-11-10
Abstract
No abstract record available.
Inventors
- 👤 Jean Bachmann
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-30 15:06
CPC Classifications
F; F23; F23L; F23L17/00; F23L17/16
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References Cited (Backward Citations)
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