US PATENT SUBCLASS 434 / 180
.~.~.~.~ Projected image of reading matter
Current as of:
June, 1999
Click
HD
for Main Headings
Click for
All Classes
Internet Version by
PATENTEC
© 1999
     
Terms of Use
434 /
HD
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}
180
.~.~.~.~ Projected image of reading matter
DEFINITION
Classification: 434/180
Projected image of reading matter:
(under subclass 179) Subject matter wherein the matter to be read is contained on a film, slide, or the like and is projected upon a viewing surface.