US PATENT SUBCLASS 182 / 147
.~.~ Plural distinct elevating means

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

141  DF  PLATFORM WITH ELEVATING OR LOWERING MEANS {3}
142  DF  .~ Suspended {3}
147.~.~ Plural distinct elevating means

DEFINITION

Classification: 182/147

(under subclass 142) Device wherein the suspension device comprises plural distinct elevating means.