Patent DE620083C successfully refreshed from Google Patents.
Patent DE697038C successfully refreshed from Google Patents.
DE697038C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Lens consisting of four simple lenses
Assignee: Optische Werke G Rodenstock
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Filing: 1937-11-10
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Granted: 1940-10-04
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Expires: 1957-11-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-05 19:31
CPC Classifications
G; G02; G02B; G02B13/00
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Total Claims: 0
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References Cited (Backward Citations)
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