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


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



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.