FR639468A
Expired / Lapsed
FR
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Device for increasing the heat output of apartment chimneys
Assignee: Paul-Julien Deville
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Filing: 1927-08-12
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Granted: 1928-06-22
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Expires: 1947-08-12
Abstract
No abstract record available.
Inventors
- 👤 Paul-Julien Deville
- 👤 Maurice-Eugene Coule
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 15:53
CPC Classifications
F; F24; F24B; F24B1/00; F24B1/18; F24B1/185; F24B1/188; F24B1/1885; F24B1/1886
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References Cited (Backward Citations)
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