US PATENT SUBCLASS 434 / 170
.~.~ Color used in teaching means

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

156  DF  LANGUAGE {6}
167  DF  .~ Spelling, phonics, word recognition, or sentence formation {8}
170.~.~ Color used in teaching means

DEFINITION

Classification: 434/170

Color used in teaching means:

(under subclass 167) Subject matter including color in the instructing means.