US PATENT SUBCLASS 182 / 122
.~.~.~.~ Stile-contacting

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

115  DF  LADDER AND PLATFORM {1}
116  DF  .~ Platform with ladder as support {6}
120  DF  .~.~ Detachable step, single ladder {1}
121  DF  .~.~.~ Plural rung-engaging {1}
122.~.~.~.~ Stile-contacting

DEFINITION

Classification: 182/122

(under subclass 121) Device in which the step or platform also engages or is attached to a ladder stile.