(under subclass 75) Amusement device wherein the stage apparatus or setting includes a movable stage scenery element; or includes a means to move or relocate a movable stage scenery element, drape, or screen.
(1) Note. Included in this and the indented subclasses are stage apparatus for moving or relocating a stage drape (i.e., a stage curtain) or an image projection screen for a motion picture projector. However, this class (472) does not provide for a stage curtain, per se, nor does it provide for an image projection screen, per se. See the Search Class notes below for the location of such devices.
SEE OR SEARCH CLASS
160, Flexible or Portable Closure, Partition, or Panel, appropriate subclasses for a stage curtain, per se.
359, Optics: Systems (Including Communication) and Elements,
