US PATENT SUBCLASS 434 / 391
.~ Pen or pencil


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}
391.~ Pen or pencil


DEFINITION

Classification: 434/391

Pen or pencil:

(under subclass 365) Subject matter relating to a writing instrument.