US PATENT SUBCLASS 182 / 202
.~.~.~ Equalizing extensions

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

194  DF  LADDER {10}
200  DF  .~ Supporting surface compensating means {1}
201  DF  .~.~ Stile extension {3}
202.~.~.~ Equalizing extensions

DEFINITION

Classification: 182/202

(under subclass 201) Device in which two of said stile extensions are provided and are interconnected together so that movement of one of the extensions will effect movement of the other extension in opposite direction.