US PATENT SUBCLASS 434 / 169
.~.~ Electrical component included 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}
169.~.~ Electrical component included in teaching means

DEFINITION

Classification: 434/169

Electrical component included in teaching means:

(under subclass 167) Subject matter having an electrical part in the instructing means.