Patent DE353022C successfully refreshed from Google Patents.
DE353022C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Mechanical door sign
Assignee: Individual
•
Filing: 1919-01-21
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Granted: 1922-05-16
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Expires: 1939-01-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-06 19:33
CPC Classifications
G; G08; G08B; G08B5/00; G08B5/02; G09; G09F; G09F7/00; G09F7/18; G09F7/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
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