US PATENT SUBCLASS 105 / 247
.~.~ Hopper type

Current as of: June, 1999
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105 /   HD   RAILWAY ROLLING STOCK

238.1  DF  SPECIAL CAR BODIES {11}
239  DF  .~ Dumping {14}
247.~.~ Hopper type {3}
248  DF  .~.~.~> Multiple hopper {1}
250  DF  .~.~.~> Longitudinal doors {2}
253  DF  .~.~.~> Transverse doors

DEFINITION

Classification: 105/247

(under subclass 239) Lading-receptacles having an interior form such as to be self-clearing by gravity when the bottom-doors are opened.