US PATENT SUBCLASS 400 / 190
.~ By use of "carbon paper"

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

188  DF  FOR TYPING ON REVERSE SURFACE OF RECORD-MEDIUM {2}
190.~ By use of "carbon paper"

DEFINITION

Classification: 400/190

By use of "carbon paper":

(under subclass 188) Subject matter wherein carbon paper is used as a transfer-medium* for imprinting said character* symbols on said first surface.

(1) Note. See (1) Note under subclass 497 in this class for

a discussion of the term carbon paper.