US PATENT SUBCLASS 52 / 10
.~.~.~ Power means

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  DF  .~.~ Shiftable seating section {1}
10.~.~.~ Power means

DEFINITION

Classification: 52/10

(under subclass 9) Structure wherein the shifting of the section is accomplished by, or aided by means releasing stored or generated energy, e.g., motor, spring, etc.