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2515820
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Information
Patent Grant
2515820
References
Source
Patent Number
2,515,820
Date Filed
Not available
Date Issued
Tuesday, July 18, 1950
73 years ago
CPC
H01H9/185 - Fluorescent or phosphorescent symbols or distinguishing marks
US Classifications
040 - Card, picture, or sign exhibiting
174 - Electricity: conductors and insulators
200 - Electricity: circuit makers and breakers
220 - Receptacles
250 - Radiant energy
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