Patent DE434610C successfully refreshed from Google Patents.
DE434610C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Heat exchange device with movable tube bundles
Assignee: OSKAR HELMHOLZ
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Filing: 1925-02-24
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Granted: 1926-09-25
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Expires: 1945-02-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-05 12:17
CPC Classifications
F; F28; F28D; F28D11/00; F28D11/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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