US PATENT SUBCLASS 264 / 226
.~.~.~ With initial molding or treating of a surface to be reproduced


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

219  DF  WITH STEP OF MAKING MOLD OR MOLD SHAPING, PER SE {1}
220  DF  .~ Utilizing surface to be reproduced as an impression pattern {4}
225  DF  .~.~ Forming mold from fluent material {1}
226.~.~.~ With initial molding or treating of a surface to be reproduced {1}
227  DF  .~.~.~.~> Developing a surface negative and then a surface positive mold


DEFINITION

Classification: 264/226

(under subclass 225) Processes in which the forming area to be reproduced is formed by a molding operation or is treated or conditioned to facilitate such reproduction.