FR655445A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Pneumatic cell or building usable for construction and other applications
Assignee: Etienne Dufaur
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Filing: 1928-06-06
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Granted: 1929-04-18
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Expires: 1948-06-06
Abstract
No abstract record available.
Inventors
- 👤 Etienne Dufaur
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-27 04:38
CPC Classifications
E; E04; E04H; E04H15/00; E04H15/20; E04H15/22
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References Cited (Backward Citations)
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