US PATENT SUBCLASS 182 / 170
.~ Rear prop, laterally moving


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

165  DF  LADDER WITH PIVOTED PROP {9}
170.~ Rear prop, laterally moving


DEFINITION

Classification: 182/170

(under subclass 165) Device in which the prop is a rear prop movable laterally with respect to the ladder.