US PATENT SUBCLASS 347 / 217
.~ With transfer medium or driving means therefor

Current as of: June, 1999
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347 /   HD   INCREMENTAL PRINTING OF SYMBOLIC INFORMATION

171  DF  THERMAL MARKING APPARATUS OR PROCESSES {20}
217.~ With transfer medium or driving means therefor

DEFINITION

Classification: 347/217

With transfer medium or driving means therefor:

(under subclass 171) Subject matter comprising a sheet or ribbon for carrying a pigment such as ink which may be transferred to the record receiver or mechanism for sending or transporting the sheet or ribbon.

SEE OR SEARCH CLASS

400, Typewriting Machines,

225, for electrically powered drive means for feeding ribbon, subclasses 241+ for particular ribbon material.