US PATENT SUBCLASS 249 / 61
INCLUDING DESTRUCTIBLE FEATURE


Current as of: June, 1999
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249 /   HD   STATIC MOLDS

61INCLUDING DESTRUCTIBLE FEATURE {1}
62  DF  .~> Destructible by heat or fusion


DEFINITION

Classification: 249/61

(under the class definition) Molding apparatus wherein either

all or a portion of the molding apparatus is composed of material which is chemically or physically altered during the molding operation, or after the molding operation, for facilitating the separation of the product from said molding apparatus.

SEE OR SEARCH THIS CLASS, SUBCLASS:

54, for dental type molding apparatus which is usually destructible.

SEE OR SEARCH CLASS

264, Plastic and Nonmetallic Article Shaping or Treating: Processes,

221, for process having a step of mold making or mold shaping, per se, wherein the pattern or mold is destroyed.