US PATENT SUBCLASS 434 / 115
.~.~ Braille writing slate
Current as of:
June, 1999
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434 /
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EDUCATION AND DEMONSTRATION
112
DF
COMMUNICATION AIDS FOR THE HANDICAPPED
{3}
113
DF
.~ Tactile reading aid (e.g., Braille, etc.) {2}
115
.~.~ Braille writing slate
DEFINITION
Classification: 434/115
Braille writing slate:
(under subclass 113) Subject matter relating to a surface having protrusions or depressions arranged in a particular form, selected ones of which can be pressed against paper or the like to form tactile characters thereon.