Patent US586646A successfully refreshed from Google Patents.
Patent FR808884A successfully refreshed from Google Patents.
FR808884A
Expired / Lapsed
FR
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Passive defense shelter
Assignee: Louis Pierre Charrieras
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Filing: 1936-05-27
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Granted: 1937-02-17
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Expires: 1956-05-27
Abstract
No abstract record available.
Inventors
- 👤 Louis Pierre Charrieras
- 👤 Lucien Eugene Andhre Laubeuf
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-06 12:59
CPC Classifications
E; E04; E04H; E04H9/00; E04H9/04; E04H9/10; E04H9/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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