Patent CH270684A successfully refreshed from Google Patents.
FR23356E
Expired / Lapsed
FR
⏱️ 0.0 years remaining
heat exchanger
Assignee: Individual
•
Filing: 1920-03-01
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Granted: 1921-11-16
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Expires: 1940-03-01
Abstract
No abstract record available.
Inventors
- 👤 Emile Prat
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 11:57
CPC Classifications
F; F28; F28F; F28F3/00; F28F3/08; F28F3/083
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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