US PATENT SUBCLASS 434 / 367
.~ Means for comparing characteristics of plural articles or materials

Current as of: June, 1999
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434 /   HD   EDUCATION AND DEMONSTRATION

365  DF  MEANS FOR DEMONSTRATING APPARATUS, PRODUCT, OR SURFACE CONFIGURATION, OR FOR DISPLAYING EDUCATION MATERIAL OR STUDENT'S WORK {37}
367.~ Means for comparing characteristics of plural articles or materials

DEFINITION

Classification: 434/367

Means for comparing characteristics of plural articles or materials:

(under subclass 365) Subject matter wherein two or more similar articles or materials are displayed so that differences in quality or characteristics can be recognized.