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Patent DE413504C successfully refreshed from Google Patents.
DE413504C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Heat exchange device
Assignee: Individual
•
Filing: 1923-11-18
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Granted: 1925-05-11
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Expires: 1943-11-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-07 03:12
CPC Classifications
F; F28; F28F; F28F1/00; F28F1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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