DE486330C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Advertising device in which advertising carriers hanging on a helical spring are set in upward and downward movement by the force of an automatically energized electromagnet using a mercury toggle switch
Assignee: Individual
•
Filing: 1928-02-28
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Granted: 1929-11-13
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Expires: 1948-02-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-31 16:42
CPC Classifications
G; G09; G09F; G09F11/00; G09F11/30; G09F11/34
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References Cited (Backward Citations)
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