Patent US5340150A successfully refreshed from Google Patents.
FR793631A
Expired / Lapsed
FR
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Underground shelter
Assignee: Raymond Gravereaux
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Filing: 1934-11-03
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Granted: 1936-01-28
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Expires: 1954-11-03
Abstract
No abstract record available.
Inventors
- 👤 Raymond Gravereaux
- 👤 Godefroy Schindler
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-26 06:24
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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