US PATENT SUBCLASS 356 / 369
.~ Of surface reflection

Current as of: June, 1999
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356 /   HD   OPTICS: MEASURING AND TESTING

364  DF  BY POLARIZED LIGHT EXAMINATION {4}
369.~ Of surface reflection

DEFINITION

Classification: 356/369

Of surface reflection:

(under subclass 364) Subject matter wherein a material or

article is examined for surface reflection characteristics by means of polarized light.

SEE OR SEARCH THIS CLASS, SUBCLASS:

445+, for light reflection testing generally.