US PATENT SUBCLASS 434 / 183
.~.~.~.~ Pacer moved down reading matter carrier
Current as of:
June, 1999
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434 /
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EDUCATION AND DEMONSTRATION
156
DF
LANGUAGE
{6}
167
DF
.~ Spelling, phonics, word recognition, or sentence formation {8}
178
DF
.~.~ Reading {2}
179
DF
.~.~.~ Speed {4}
183
.~.~.~.~ Pacer moved down reading matter carrier
DEFINITION
Classification: 434/183
Pacer moved down reading matter carrier:
(under subclass 179) Subject matter wherein an element such as a bar passes down reading matter at a controlled rate, the viewer attempting to read at the speed of the moving element.