US PATENT SUBCLASS 182 / 186.6
.~ Having height adjustable platform

Current as of: June, 1999
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182 /   HD   FIRE ESCAPE, LADDER, OR SCAFFOLD

179.1  DF  SELF-SUSTAINING {5}
186.6.~ Having height adjustable platform

DEFINITION

Classification: 182/186.6

Having height adjustable platform:

(under subclass 179.1) Device comprising a work platform extending between the supporting legs, and an adjustment means for operatively selecting the horizontal position of the work platform along the legs.