FR23189E
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements in tube assembly
Assignee: GASTON MONDOLFO
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Filing: 1919-03-21
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Granted: 1921-10-18
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Expires: 1939-03-21
Abstract
No abstract record available.
Inventors
- 👤 Gaston Mondolfo
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-31 07:30
CPC Classifications
B; B21; B21D; B21D39/00; B21D39/04; B21D39/044
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