Patent DE3504292C1 successfully refreshed from Google Patents.
DE685222C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Door with a sealing insert for closing off air raid shelters
Assignee: Gutehoffnungshutte Oberhausen AG
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Filing: 1934-10-23
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Granted: 1939-12-14
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Expires: 1954-10-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-23 19:15
CPC Classifications
E; E06; E06B; E06B5/00; E06B5/10; E06B5/16; E06B5/164; E06B5/12; E06B5/14
Claims Analysis
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References Cited (Backward Citations)
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