Patent CH285191A successfully refreshed from Google Patents.
CH285191A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Lighting device for the projection of color film.
Assignee: Gretener Edgar Ing Dr
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Filing: 1949-03-29
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Granted: —
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Expires: 1969-03-29
Abstract
No abstract record available.
Inventors
- 👤 Gretener Edgar Ing Dr
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-09 16:29
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/14; G03B21/20; G03B21/208
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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