DE741771C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Warning device for oxygen breathing apparatus
Assignee: Draegerwerk AG and Co KGaA
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Filing: 1937-09-25
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Granted: 1945-01-18
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Expires: 1957-09-25
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-03 07:43
CPC Classifications
A; A62; A62B; A62B9/00; A62B9/006
Claims Analysis
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