Patent DE475091C successfully refreshed from Google Patents.
DE475091C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process and device for the production of composite motion pictures by double exposure
Assignee: SPIEGELTECHNIK AG F
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Filing: 1927-01-23
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Granted: 1929-04-19
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Expires: 1947-01-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-23 18:26
CPC Classifications
G; G03; G03B; G03B15/00; G03B15/08; G03B15/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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