US PATENT SUBCLASS 472 / 78
.~.~.~ Hoisting apparatus


Current as of: June, 1999
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472 /   HD   AMUSEMENT DEVICES

57  DF  ILLUSION OR STAGE DEVICE {17}
75  DF  .~ Stage apparatus or setting {4}
77  DF  .~.~ Shifting scenery or curtain {2}
78.~.~.~ Hoisting apparatus


DEFINITION

Classification: 472/78

Hoisting apparatus:

(under subclass 77) Amusement device wherein the means to move or relocate a movable stage scenery element, drape, or screen comprises a mechanically operated means to raise, lower, rearrange, or otherwise move the stage scenery element, drape, or screen from one position to another position.

SEE OR SEARCH THIS CLASS, SUBCLASS:

77, for a movable stage scenery element which is merely pulled or moved along a track.

SEE OR SEARCH CLASS

254, Implements or Apparatus for Applying Pushing or Pulling Force,

264+, for apparatus for hauling or hoisting a load including a driven device which contacts and pulls on a cable.