US PATENT SUBCLASS 434 / 200
.~.~ Manually manipulated pin or peg

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

188  DF  MATHEMATICS {4}
191  DF  .~ Arithmetic {17}
200.~.~ Manually manipulated pin or peg

DEFINITION

Classification: 434/200

Manually manipulated pin or peg:

(under subclass 191) Subject matter including an elongate member inserted by hand into a hole or a material.