US PATENT SUBCLASS 264 / 20
.~.~ Shaded layer

Current as of: June, 1999
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264 /   HD   PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES

16  DF  DENTAL SHAPING TYPE {2}
19  DF  .~ Tooth forming {1}
20.~.~ Shaded layer

DEFINITION

Classification: 264/20

(under subclass 19) Processes wherein the tooth or portion thereof is formed so as to provide a color or tone differential across the member.

SEE OR SEARCH THIS CLASS, SUBCLASS:

73+, and 78, for molding processes of general utility which include a coloring or dyeing step.

245+, for processes of general utility forming a

multi-colored composite body.