US PATENT SUBCLASS 297 / 283.3
.~ Back


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



297 /   HD   CHAIRS AND SEATS

283.1  DF  CHANGEABLE OR REVERSIBLE SUPPORTING SURFACE {3}
283.3.~ Back


DEFINITION

Classification: 297/283.3

Back supporting surfaces:

(under subclass 283.1) Device wherein the occupant supporting component, provided with a plurality of occupant contacting surfaces, is constructed to support the back of an occupant therein.