Patent US4499407A successfully refreshed from Google Patents.
Patent DE330152C successfully refreshed from Google Patents.
DE330152C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Finned tube
Assignee: MAX KRETSCHMER
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Filing: —
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Granted: 1920-12-07
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Expires: 1937-12-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-29 16:24
CPC Classifications
F; F28; F28F; F28F1/00; F28F1/10; F28F1/12; F28F1/24; F28F1/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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