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3673413
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Patent Grant
3673413
References
Source
Patent Number
3,673,413
Date Filed
Not available
Date Issued
Tuesday, June 27, 1972
52 years ago
CPC
G09F11/23 - the advertising or display material forming part of rotating members
G04C23/36 - by external influences
G09F13/00 - Illuminated signs Luminous advertising
US Classifications
250 - Radiant energy
040 - Card, picture, or sign exhibiting
315 - Electric lamp and discharge devices: systems
361 - Electricity: electrical systems and devices
968 - Horology
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