US PATENT SUBCLASS 182 / 180.1
.~ Ladder

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

179.1  DF  SELF-SUSTAINING {5}
180.1.~ Ladder {1}
180.2  DF  .~.~> Having supporting base {1}

DEFINITION

Classification: 182/180.1

Ladder:

(under subclass 179.1) Device comprising a means for climbing which consists of two stiles crossed by parallel rungs.

SEE OR SEARCH THIS CLASS, SUBCLASS:

104, for pivotally connected ladders which depend on each other for support in erected position.

165+, for a ladder with a pivoted prop.

194+, for a ladder adapted to rest on the ground and to rest against the wall of a building.