US PATENT SUBCLASS 264 / 251
.~.~.~ Spaced molded portions interconnected by solid preform

Current as of: June, 1999
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264 /   HD   PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES

239  DF  MECHANICAL SHAPING OR MOLDING TO FORM OR REFORM SHAPED ARTICLE {10}
241  DF  .~ To produce composite, plural part or multilayered article {9}
250  DF  .~.~ By separately molding different article portions {3}
251.~.~.~ Spaced molded portions interconnected by solid preform {2}
252  DF  .~.~.~.~> Molding portions along sheet edge
253  DF  .~.~.~.~> Building unit having spaced walls

DEFINITION

Classification: 264/251

(under subclass 250) Processes which include molding portions which are spaced from each other on, and separately united to, a preform or base by said molding operation.