.~ Seat supported within periphery of apertured table {2}
137
.~.~ Seat rotatable about vertical axis
DEFINITION
Classification: 297/137
(under subclass 136) Device in which the seat revolves about a vertical axis.
SEE OR SEARCH THIS CLASS, SUBCLASS:
344.21+, for a bottom and back movable as a unit about a vertical axis.
SEE OR SEARCH CLASS
108, Horizontally Supported Planar Surfaces,
94+, for terraced horizontal planar surfaces which are rotatable, subclasses 103+ for plural related horizontal planar surfaces which are rotatable about a vertical axis, and subclasses 139+ for a horizontal planar surface rotatable
