US PATENT SUBCLASS 400 / 105
.~.~ Including magnetic encoding
Current as of:
June, 1999
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400 /
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TYPEWRITING MACHINES
103
DF
CODE-PRINTING TYPEWRITER (E.G., FOR PRINTING A PATTERN OR MARK)
{4}
104
DF
.~ For typing and encoding {1}
105
.~.~ Including magnetic encoding
DEFINITION
Classification: 400/105
Including magnetic encoding:
(under subclass 104) Subject matter wherein the mark or spot of ink* that is imprinted is in the form of ferrous particles capable of being oriented or reoriented by magnetism, or is in the form of ink containing such ferrous particles.