US PATENT SUBCLASS 396 / FOR 867
.~.~ Electro-optical type (354/227.1)
Current as of:
June, 1999
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PHOTOGRAPHY
FOR 842
DF
CAMERA DETAILS (354/202)
{10}
FOR 866
DF
.~ Shutter (354/226) {10}
FOR 867
.~.~ Electro-optical type (354/227.1)
DEFINITION
Classification: 396/FOR.867
Electro-optical type: (354/227.1)
Subject matter under subclass FOR 866 having optical media that can be changed by the application of an electric or magnetic field.