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Patent DE448968C successfully refreshed from Google Patents.
DE448968C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Device to achieve three-dimensional and spatially free-floating appearing image effects for advertising and entertainment purposes
Assignee: Individual
•
Filing: 1926-07-24
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Granted: 1927-09-02
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Expires: 1946-07-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-02 23:36
CPC Classifications
G; G09; G09F; G09F13/00; G09F13/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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