US PATENT SUBCLASS 182 / 2.5
.~.~ Ladder associated

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

2.1  DF  MEANS MAINTAINING PLATFORM LEVEL ON ANGULARLY MOVABLE SUPPORT {2}
2.3  DF  .~ Swingable support {6}
2.5.~.~ Ladder associated

DEFINITION

Classification: 182/2.5

Ladder associated:

(under subclass 2.3) Device wherein the boom section is provided with two long, structural members crossed by parallel rungs, used to climb or descend.