US PATENT SUBCLASS 400 / 90
.~ Electrically powered

Current as of: June, 1999
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400 /   HD   TYPEWRITING MACHINES

89  DF  KEY REASSIGNMENT {1}
90.~ Electrically powered

DEFINITION

Classification: 400/90

Electrically powered:

(under subclass 89) Subject matter wherein significance is attributed to a typewriter that is operated with the help of electricity.

SEE OR SEARCH CLASS

380, Cryptography,

55, for an electrical cryptos:graphic typewriter.