Patent US1943256A successfully refreshed from Google Patents.
Patent FR578526A successfully refreshed from Google Patents.
FR578526A
Expired / Lapsed
FR
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Device designed to avoid glare produced by high intensity light beams
Assignee: Leon-Joseph-Marie Robillard
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Filing: 1923-02-07
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Granted: 1924-09-29
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Expires: 1943-02-07
Abstract
No abstract record available.
Inventors
- 👤 Leon-Joseph-Marie Robillard
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-09 05:40
CPC Classifications
G; G02; G02C; G02C7/00; G02C7/16; G02C3/00; G02C3/02; G02C7/10; G02C9/00; G02C9/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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