US PATENT SUBCLASS 182 / 69.6
.~ And platform elevatable relative to its support

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

63.1  DF  HAVING TRANSPOSITIONING BASE AND ERECTING MEANS {4}
69.6.~ And platform elevatable relative to its support

DEFINITION

Classification: 182/69.6

And platform elevatable relative to its support:

(under subclass 63.1) Device combined with a work platform movable up and down along a vertical support.

(1) Note. The work platform of this subclass may be moved manually or by a power operated means.