US PATENT SUBCLASS 164 / 393
.~.~.~ At least one side joint hinged

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  DF  .~.~ Having separable sides (e.g., snap-type, etc.) {1}
393.~.~.~ At least one side joint hinged

DEFINITION

Classification: 164/393

(under subclass 392) Apparatus having a joint permitting motion in one plane between the adjacent panel section.