FR832231A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements made to composite walls, in particular metal surfaces, and processes for their establishment
Assignee: Rigaudiere Edouard Rene Joseph
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Filing: 1938-01-18
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Granted: 1938-09-23
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Expires: 1958-01-18
Abstract
No abstract record available.
Inventors
- 👤 Rigaudiere Edouard Rene Joseph
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-24 08:50
CPC Classifications
B; B64; B64C; B64C1/00; B64C1/06; B64C1/12; B64C2001/0054; B64C2001/0072; B64C2001/0081; Y; Y02; Y02T; Y02T50/00; Y02T50/40
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