US PATENT SUBCLASS 297 / 284.1
BOTTOM OR BACK WITH MEANS TO ALTER CONTOUR

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

284.1BOTTOM OR BACK WITH MEANS TO ALTER CONTOUR {5}
284.2  DF  .~> Having adjustment means for seat surface tension
284.3  DF  .~> Having a plurality of adjacent relatively adjustable sections
284.4  DF  .~> Providing support for lower back (i.e., lumbar) region {4}
284.9  DF  .~> Providing support for the sides of a seated occupant
284.11  DF  .~> Located at the front of the seat bottom

DEFINITION

Classification: 297/284.1

BOTTOM OR BACK WITH MEANS TO ALTER CONTOUR:

(under the class definition) Device comprising a bottom or back with a means to change the profile of its occupant engaging surface.

SEE OR SEARCH THIS CLASS, SUBCLASS:

452.21+, for a contoured bottom.

452.29+, for a contoured back.