US PATENT SUBCLASS 503 / 203
.~ Duplicating master


Current as of: June, 1999
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503 /   HD   RECORD RECEIVER HAVING PLURAL INTERACTIVE LEAVES OR A COLORLESS COLOR FORMER, METHOD OF USE, OR DEVELOPER THEREFOR

200  DF  HAVING A COLORLESS COLOR-FORMER, DEVELOPER THEREFOR, OR METHOD OF USE {16}
203.~ Duplicating master


DEFINITION

Classification: 503/203

Duplicating master:

(under subclass 200) Subject matter wherein the product is such that it can be used to produce further copies of the record by a "printing", that is, a nonphotos:graphic, technique.

SEE OR SEARCH CLASS

101, Printing,

112, and 127+ for stencil plates; subclasses 453+ and 463.1+ for lithos:graphic printing plates and elements, and 368+ for printing members.

430, Radiation Imagery Chemistry: Process, Composition, or Product Thereof, appropriate subclasses for light sensitive materials suitable for imagewise reproduction of visible materials and especially

5, for a radiation mask and/or a method of making it.