Patent DE505607C successfully refreshed from Google Patents.
FR46840E
Expired / Lapsed
FR
⏱️ 0.0 years remaining
heat exchanger
Assignee: Henry Dieterlen
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Filing: 1935-12-19
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Granted: 1936-09-12
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Expires: 1955-12-19
Abstract
No abstract record available.
Inventors
- 👤 Henry Dieterlen
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-05 18:19
CPC Classifications
F; F28; F28D; F28D1/00; F28D1/02; F28D1/0233; F28D1/024
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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