Patent US5616079A successfully refreshed from Google Patents.
Patent DE917818C successfully refreshed from Google Patents.
DE917818C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Screen holder for stereo projection
Assignee: Zeiss Ikon AG
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Filing: 1952-11-16
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Granted: 1954-09-13
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Expires: 1972-11-16
Abstract
No abstract record available.
Inventors
- 👤 Dr Otto Vierling
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-26 20:38
CPC Classifications
G; G03; G03B; G03B35/00; G03B35/18; G03B35/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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