FR994298A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to the frames of filter glasses for photographic lenses
Assignee: Albert Bernhard
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Filing: 1945-01-08
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Granted: 1951-11-14
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Expires: 1965-01-08
Abstract
No abstract record available.
Inventors
- 👤 Albert Bernhard
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-02 21:42
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/02; G03B17/12
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