US PATENT SUBCLASS 434 / 174
.~.~.~ Rotatably mounted letter bearing element

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}
172  DF  .~.~ Letter-bearing elements (e.g., cards, blocks, etc.) selectively aligned to form word or sentence {3}
174.~.~.~ Rotatably mounted letter bearing element

DEFINITION

Classification: 434/174

Rotatably mounted letter bearing element:

(under subclass 172) Subject matter wherein a letter-bearing component is arranged to turn about an axis passing therethrough.