US PATENT SUBCLASS 297 / 452.45
.~.~.~ Projecting elements


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

452.1  DF  BOTTOM OR BACK {12}
452.42  DF  .~ Including a ventilating means {2}
452.43  DF  .~.~ Supplemental ventilating pad {2}
452.45.~.~.~ Projecting elements


DEFINITION

Classification: 297/452.45

Projecting elements:

(under subclass 452.43) Device including protruding members attached to or continuously formed with an inner surface of the pad and which serves to space a top layer from a bottom layer of the pad.