FR83105E
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Manufacturing and assembly process for ventilation or heating ducts
Assignee: Francis Francon
•
Filing: 1962-10-08
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Granted: 1964-06-19
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Expires: 1982-10-08
Abstract
No abstract record available.
Inventors
- 👤 Francis Francon
- 👤 Jean Francon
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-26 19:12
CPC Classifications
F; F16; F16L; F16L9/00; F16L9/003; A; A45; A45C; A45C5/00; A45C5/04; B; B62; B62D; B62D25/00; B62D25/02; B62D27/00; B62D27/06; B62D33/00; B62D33/04; B62D33/046; B65; B65D; B65D7/00; B65D7/12; B65D7/24; F16B; F16B5/00; F16B5/0004; F16B5/0032; F16B5/004; F16L23/00; F16L23/12; F16L23/14; F16L9/17
Claims Analysis
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References Cited (Backward Citations)
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