(under subclass 4) Subject matter wherein the playing surface is mounted on a supporting structure and either (a) is mounted on the supporting structure in such a manner that it is adapted to be readily pivoted (i.e., turned) about an axis located in or passing through the supporting structure, or (b) the supporting structure itself contains means to enable the playing surface to be readily pivoted or turned about an axis.
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10+, for a table or gameboard in which the playing surface thereof may be pivoted about an axis to effect conversion to another type of furniture or to a different type of game playing surface.
15, for a billiard or pool table or gameboard in which the playing surface thereof may be pivoted about an axis to effect the folding or collapsing of the table or gameboard.
