US PATENT SUBCLASS 182 / 67.4
.~.~.~ Folding ladder


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

63.1  DF  HAVING TRANSPOSITIONING BASE AND ERECTING MEANS {4}
64.1  DF  .~ Ladder pivotably mounted on transpositioning base (e.g., on vehicle) {2}
65.1  DF  .~.~ About vertical axis {3}
67.4.~.~.~ Folding ladder


DEFINITION

Classification: 182/67.4

Folding ladder:

(under subclass 65.1) Device comprising a ladder of multiple coextensive sections pivotally connected together so that they can be brought from an extended to a folded position.