US PATENT SUBCLASS 182 / 107
SAFETY DEVICE FOR GROUND-SUPPORTED LADDER

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

107SAFETY DEVICE FOR GROUND-SUPPORTED LADDER {1}
108  DF  .~> Terminal foot or shoe {3}

DEFINITION

Classification: 182/107

(under the class definition) Device comprising a ladder with means to prevent slippage of said ladder when disposed in upright position.

SEE OR SEARCH THIS CLASS, SUBCLASS:

200+, for a ladder with means compensating for difference in level of a supporting surface.

SEE OR SEARCH CLASS

404, Road Structure, Process, or Apparatus,

19+, for a pavement with an anti-slip surface.