US PATENT SUBCLASS 434 / 407
.~ Manually manipulated pin or peg inserted into display board

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}
407.~ Manually manipulated pin or peg inserted into display board

DEFINITION

Classification: 434/407

Manually manipulated pin or peg inserted into display board:

(under subclass 365) Subject matter including an exhibiting means wherein an elongate member is inserted by hand into a hole or a material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

200, for similar devices used for teaching mathematics.