US PATENT SUBCLASS 297 / 451.2
.~ Three support legs only

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}
451.2.~ Three support legs only

DEFINITION

Classification: 297/451.2

Three support legs only:

(under subclass 445.1) Device in which the seat bottom is supported on three legs.