US PATENT SUBCLASS 52 / 7
.~ Movable stage

Current as of: June, 1999
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52 /   HD   STATIC STRUCTURES (E.G., BUILDINGS)

6  DF  WITH STADIUM OR AUDITORIUM FEATURE {2}
7.~ Movable stage

DEFINITION

Classification: 52/7

(under subclass 6) Structure including a movable floor or platform particularly related to a proscenium or to a seating arrangement for viewers.

SEE OR SEARCH CLASS

182, Fire Escape, Ladder, or Scaffold, appropriate subclass for a platform of more general application.