US PATENT SUBCLASS 264 / 337
.~.~ Utilizing particular mold material

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

239  DF  MECHANICAL SHAPING OR MOLDING TO FORM OR REFORM SHAPED ARTICLE {10}
299  DF  .~ Shaping against forming surface (e.g., casting, die shaping, etc.) {10}
337.~.~ Utilizing particular mold material {1}
338  DF  .~.~.~> Coating or lining

DEFINITION

Classification: 264/337

(under subclass 299) Processes in which the shaping or forming mold or surface is composed of special or specific materials.

(1) Note. Many patents which include a manipulation or step provided for above will also include a disclosure of using a particular mold composition coating or lining. Such patents should not be cross-referenced to this and indented subclass unless there is some indication the materials recited are not those conventionally used in such processes.