US PATENT SUBCLASS 182 / 200
.~ Supporting surface compensating means


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

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


DEFINITION

Classification: 182/200

(under subclass 194) Device comprising means to compensate

for the inequalities of the surface, on which the ladder rests.

SEE OR SEARCH THIS CLASS, SUBCLASS:

170, for independent, laterally moving ladder props on an uneven surface.

SEE OR SEARCH CLASS

108, Horizontally Supported Planar Surfaces,

144.11+, for a vertically adjustable horizontal planar surface. 248, Supports,

157, for a vertically adjustable stand, subclass 161 for a standard type stand wherein the standard is vertically adjustable, subclass 188.2 for a furniture elevating or leveling device, and subclasses 354+ for an adjustable length prop.