US PATENT SUBCLASS 182 / 171
.~ Converging and contacting stiles or props

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

165  DF  LADDER WITH PIVOTED PROP {9}
171.~ Converging and contacting stiles or props

DEFINITION

Classification: 182/171

(under subclass 165) Device in which either the stiles or the props converge and contact each other or are so intimately associated at their mutual ends as to be in virtual contact.