Patent DE398989C successfully refreshed from Google Patents.
DE398989C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
respirator
Assignee: THEODOR SPORRER
•
Filing: 1923-10-13
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Granted: 1924-07-28
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Expires: 1943-10-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-02 20:13
CPC Classifications
A; A41; A41D; A41D13/00; A41D13/05; A41D13/11; A41D13/1161; A41D13/1169; A41D13/1176; A62; A62B; A62B23/00; A62B23/06
Claims Analysis
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References Cited (Backward Citations)
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