US PATENT SUBCLASS 182 / 157
.~.~ Lazy tong type

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

152  DF  UNITARY FOLDABLE, RIGID SCAFFOLD OR LADDER {2}
156  DF  .~ Collapsible ladder {3}
157.~.~ Lazy tong type {1}
158  DF  .~.~.~> Mechanical or power-extending means

DEFINITION

Classification: 182/157

(under subclass 156) Device comprising lazy tong construction.

SEE OR SEARCH THIS CLASS, SUBCLASS:

69.1+, for a lazy tong actuated extension ladder pivotally mounted on a moving base.