US PATENT SUBCLASS 298 / 33
.~.~.~.~ Oppositely swinging

Current as of: June, 1999
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298 /   HD   LAND VEHICLES: DUMPING

24  DF  HOPPER TYPE {3}
27  DF  .~ Bottom opening {2}
29  DF  .~.~ Hinged doors {2}
31  DF  .~.~.~ Longitudinally hinged only {2}
33.~.~.~.~ Oppositely swinging {2}
34  DF  .~.~.~.~.~> Inwardly only
35 R  DF  .~.~.~.~.~> Outwardly only {3}

DEFINITION

Classification: 298/33

So hinged that the doors swing in opposite directions.