Patent DE754529C successfully refreshed from Google Patents.
DE754529C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Diving mask
Assignee: Draegerwerk AG and Co KGaA
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Filing: 1939-09-20
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Granted: 1954-04-29
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Expires: 1959-09-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-06 02:12
CPC Classifications
B; B63; B63C; B63C11/00; B63C11/02; B63C11/12; B63C2011/125
Claims Analysis
Total Claims: 0
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