FR455482A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
heating screen with boiler that can be introduced into the earth
Assignee: NICOLAS POLTAVTSEFF
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Filing: 1912-05-25
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Granted: 1913-08-01
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Expires: 1932-05-25
Abstract
No abstract record available.
Inventors
- 👤 Nicolas Poltavtseff
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-02 11:43
CPC Classifications
F; F24; F24B; F24B1/00; F24B1/18; F24B1/183
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