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2028241
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Information
Patent Grant
2028241
References
Source
Patent Number
2,028,241
Date Filed
Not available
Date Issued
Tuesday, January 21, 1936
88 years ago
CPC
F21V9/16 - Selection of luminescent materials for screens
H01J65/08 - Lamps in which a screen or coating is excited to luminesce by radioactive material located inside the vessel
US Classifications
053 - Package making
065 - Glass manufacturing
250 - Radiant energy
362 - Illumination
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