US PATENT SUBCLASS 164 / 44
.~.~.~ Including pattern withdrawal

Current as of: June, 1999
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164 /   HD   METAL FOUNDING

1  DF  PROCESS {6}
6  DF  .~ Shaping a forming surface (e.g., mold making, etc.) {8}
15  DF  .~.~ Shaping fluent material to form mold {9}
44.~.~.~ Including pattern withdrawal

DEFINITION

Classification: 164/44

(under subclass 15) Process directed to the extracting of patterns from a mold by a mechanical process.

(1) Note. Stripping by name alone does not place a patent here.

SEE OR SEARCH THIS CLASS, SUBCLASS:

34+, for processes of removing a pattern by destruction.