US PATENT SUBCLASS 297 / 284.8
.~.~ Rectilinear horizontal adjustment

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

284.1  DF  BOTTOM OR BACK WITH MEANS TO ALTER CONTOUR {5}
284.4  DF  .~ Providing support for lower back (i.e., lumbar) region {4}
284.8.~.~ Rectilinear horizontal adjustment

DEFINITION

Classification: 297/284.8

Rectilinear horizontal adjustment:

(under subclass 284.4) Device wherein the lumbar support is movable to a selected position along a substantially straight line outwardly from a vertical plane.