US PATENT SUBCLASS 702 / FOR 131
.~.~ Optics or photography (364/525)

Current as of: June, 1999
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702 /   HD   DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING

*  DD  APPLICATIONS (364/400) {1}
FOR 130  DF  .~ Physics (364/524) {2}
FOR 131.~.~ Optics or photography (364/525) {1}
FOR 132  DF  .~.~.~> Color analysis (364/526)

DEFINITION

Classification: 702/FOR.131

Optics or photography:

Foreign art collections wherein the area of physics is that concerned with the nature and properties of light, vision, or producing images upon a photosensitive surface by the chemical action of light or other radiant energy.