CH246723A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Device for viewing film slides depicting written or pictorial works.
Assignee: Alfred Dr Zwiauer
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Filing: 1945-01-04
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Granted: —
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Expires: 1965-01-04
Abstract
No abstract record available.
Inventors
- 👤 Alfred Dr Zwiauer
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-04 12:07
CPC Classifications
G; G03; G03B; G03B23/00; G03B23/08; G03B23/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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