FR448727A
Expired / Lapsed
FR
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Mixed tubular solar boiler
Assignee: Individual
•
Filing: 1912-09-10
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Granted: 1913-02-08
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Expires: 1932-09-10
Abstract
No abstract record available.
Inventors
- 👤 Oswald Keun
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-03 15:02
CPC Classifications
F; F24; F24S; F24S23/00; F24S23/30; F24S20/00; F24S20/20; F24S50/00; F24S50/20; Y; Y02; Y02E; Y02E10/00; Y02E10/40; Y02E10/44; Y02E10/47
Claims Analysis
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References Cited (Backward Citations)
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