Patent DE477757C successfully refreshed from Google Patents.
DE477757C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Heat exchange device, in particular for heating air by means of flue gases, with a circumferential, hollow-cylindrical storage body
Assignee: MAX SCHWABACH DR
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Filing: 1924-11-28
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Granted: 1929-06-13
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Expires: 1944-11-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-28 09:59
CPC Classifications
F; F28; F28D; F28D19/00; F28D19/04; F28D19/045; F23; F23L; F23L15/00; F23L15/02; Y; Y02; Y02E; Y02E20/00; Y02E20/34
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