FR1292894A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Variable focal length optical system adaptable to photographic or cinematographic lenses
Assignee: Jos Schneider Optische Werke GmbH
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Filing: 1961-06-27
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Granted: 1962-05-04
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Expires: 1981-06-27
Abstract
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Inventors
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-29 00:30
CPC Classifications
G; G02; G02B; G02B15/00; G02B15/14; G02B15/144; G02B15/1441; G02B15/144109
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