DE661660C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Screw spindle lock for gas protection doors and screens
Assignee: EDUARD KRAEHMER
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Filing: 1934-11-29
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Granted: 1938-06-24
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Expires: 1954-11-29
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-02 00:19
CPC Classifications
E; E05; E05C; E05C9/00; E05C9/06; E05C9/10
Claims Analysis
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References Cited (Backward Citations)
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