US PATENT SUBCLASS 356 / 245
.~ Cotton graders


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

244  DF  SAMPLE, SPECIMEN, OR STANDARD HOLDER OR SUPPORT (E.G., PLATES OR SLIDES) {2}
245.~ Cotton graders


DEFINITION

Classification: 356/245

(under subclass 244) Subject matter including a plurality of receptacles arranged in a unit for holding cotton standards, together with structure for facilitating the comparison of a selected standard with a cotton sample.