US PATENT SUBCLASS 434 / 159
.~ Alphabet letter formation, recognition, or sequencing

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

156  DF  LANGUAGE {6}
159.~ Alphabet letter formation, recognition, or sequencing {2}
160  DF  .~.~> Letter formed by segments
161  DF  .~.~> Letter displayed upon manipulation of mechanism

DEFINITION

Classification: 434/159

Alphabet letter formation, recognition, or sequencing:

(under subclass 156) Subject matter relating to instruction in forming, recognizing, or sequentially arranging letters of the alphabet.