US PATENT SUBCLASS 503 / 204
.~ Plural colors or plural diverse systems

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
204.~ Plural colors or plural diverse systems

DEFINITION

Classification: 503/204

Plural colors or plural diverse systems:

(under subclass 200) Subject matter in which the final recording is in two or more colors, other than the color of the background, or two or more distinct shades of a single "color" or in which the recording takes place by using two or more different color-producing systems; e.g., a pressure responsive system plus a heat-responsive system; a carbonless system plus a "carbon paper" type system, etc.

(1) Note. This subclass does not provide for a mere mixture of color formers and/or developers.