US PATENT SUBCLASS 400 / 483
.~ For Braille typewriter

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

472  DF  KEY-BOARD OR KEY LEVER-ACTUATING MECHANISM {12}
483.~ For Braille typewriter

DEFINITION

Classification: 400/483

For Braille typewriter:

(under subclass 472) Subject matter wherein significance is attributed to a typewriter key-board* that is used in a Braille typewriter.

(1) Note. The term "Braille typewriter" is defined and discussed in the definition and note of subclass 109.1.

SEE OR SEARCH THIS CLASS, SUBCLASS:

109.1, and see (1) Note above.