US PATENT SUBCLASS 182 / 173
.~ Hinged to top-step rear flange

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

165  DF  LADDER WITH PIVOTED PROP {9}
173.~ Hinged to top-step rear flange

DEFINITION

Classification: 182/173

(under subclass 165) Device in which there is provided a rear flange for the top step of the ladder, to which the prop is hinged.