FR544726A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to heating devices
Assignee: Julien Parage
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Filing: 1921-12-20
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Granted: 1922-09-27
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Expires: 1941-12-20
Abstract
No abstract record available.
Inventors
- 👤 Julien Parage
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-07 17:50
CPC Classifications
F; F24; F24B; F24B7/00; F24B7/04
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References Cited (Backward Citations)
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