US PATENT SUBCLASS 164 / 392
.~.~ Having separable sides (e.g., snap-type, etc.)

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

374  DF  FLASK OR FLASK SECTION {5}
384  DF  .~ Plural part flask or flask section {2}
392.~.~ Having separable sides (e.g., snap-type, etc.) {1}
393  DF  .~.~.~> At least one side joint hinged

DEFINITION

Classification: 164/392

(under subclass 384) Apparatus in which a flask section has a joint where the side parts are not permanently attached to one another.