Patent US535366A successfully refreshed from Google Patents.
AT77985B
Expired / Lapsed
AT
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Finned heating tube.
Assignee: Karl Dickow
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Filing: 1917-11-14
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Granted: 1919-08-25
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Expires: 1937-11-14
Abstract
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Inventors
- 👤 Karl Dickow
Bibliographic Details
Application Number
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Jurisdiction
AT
Data Source
google_patents
Last Synchronized
2026-11-01 04:55
CPC Classifications
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