US PATENT SUBCLASS 434 / 197
.~.~ Indicia-bearing belt or reel-mounted strip

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

188  DF  MATHEMATICS {4}
191  DF  .~ Arithmetic {17}
197.~.~ Indicia-bearing belt or reel-mounted strip

DEFINITION

Classification: 434/197

Indicia-bearing belt or reel-mounted strip:

(under subclass 191) Subject matter including indicia such as numbers located on a continuous flexible band or on a web wound on a reel.

SEE OR SEARCH THIS CLASS, SUBCLASS:

426, for similar devices not used for teaching mathematics.