US PATENT SUBCLASS 297 / 164
.~.~ Both independently vertically adjustable

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

135  DF  WITH TABLE, DESK, OR EASEL {13}
163  DF  .~ Table behind seat {2}
164.~.~ Both independently vertically adjustable {1}
165  DF  .~.~.~> Tiltable seat {1}

DEFINITION

Classification: 297/164

(under subclass 163) Device in which the table and the seat may be separately perpendicularly adjusted.

SEE OR SEARCH THIS CLASS, SUBCLASS:

338, for a bottom vertically movable independently of an associated back.

344.12+, for a vertically adjustable bottom and back unit.