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1646763
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Information
Patent Grant
1646763
References
Source
Patent Number
1,646,763
Date Filed
Not available
Date Issued
Tuesday, October 25, 1927
97 years ago
CPC
B66B3/026 - Mechanical devices that can be illuminated
Y10S385/901 - Illuminating or display apparatus
US Classifications
116 - Signals and indicators
040 - Card, picture, or sign exhibiting
187 - Elevator, industrial lift truck, or stationary lift for vehicle
362 - Illumination
385 - Optical waveguides
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