Patent CH293144A successfully refreshed from Google Patents.
CH293144A
Expired / Lapsed
CH
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Reflex camera with viewing optics arranged above the focusing screen.
Assignee: Ag Zeiss Ikon
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Filing: 1951-05-08
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Granted: —
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Expires: 1971-05-08
Abstract
No abstract record available.
Inventors
- 👤 Ag Zeiss Ikon
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-10-30 18:53
CPC Classifications
G; G03; G03B; G03B19/00; G03B19/02; G03B19/12; G03B17/00; G03B17/18; G03B17/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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