Patent US4120201A successfully refreshed from Google Patents.
Patent FR603073A successfully refreshed from Google Patents.
FR603073A
Expired / Lapsed
FR
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Washer-shaped fin for the manufacture of heating or cooling pipes with attached concentric fins, characterized by the waviness of the lips of its lumen
Assignee: Fernand Favier
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Filing: 1925-09-11
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Granted: 1926-04-08
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Expires: 1945-09-11
Abstract
No abstract record available.
Inventors
- 👤 Fernand Favier
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-26 22:36
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/16; F; F28; F28F; F28F1/00; F28F1/10; F28F1/12; F28F1/24; F28F1/30
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References Cited (Backward Citations)
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