US PATENT SUBCLASS 52 / 9
.~.~ Shiftable seating section

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

6  DF  WITH STADIUM OR AUDITORIUM FEATURE {2}
8  DF  .~ Seating arrangement {1}
9.~.~ Shiftable seating section {1}
10  DF  .~.~.~> Power means

DEFINITION

Classification: 52/9

(under subclass 8) Structure including a section of seats mounted for movement with respect to another section or to the floor upon which it rests.

SEE OR SEARCH THIS CLASS, SUBCLASS:

183, for a mere stepped structure of more general application having interconnected relatively movable components.