US PATENT SUBCLASS 297 / 451.13
.~.~ Hollow component

Current as of: June, 1999
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297 /   HD   CHAIRS AND SEATS

445.1  DF  BOTTOM, BACK AND LEG (I.E., CHAIR) {12}
451.11  DF  .~ Plastic material {2}
451.13.~.~ Hollow component

DEFINITION

Classification: 297/451.13

Hollow component:

(under subclass 451.11) Device in which the plastic element which forms the chair includes a cavity or space therein.