FR504705A
Expired / Lapsed
FR
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Improvements to domestic heating systems
Assignee: Individual
•
Filing: 1919-10-08
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Granted: 1920-07-13
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Expires: 1939-10-08
Abstract
No abstract record available.
Inventors
- 👤 Maurice Legrand
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-04 05:24
CPC Classifications
F; F24; F24F; F24F7/00
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References Cited (Backward Citations)
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