US PATENT SUBCLASS 105 / 250
.~.~.~ Longitudinal doors

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  DF  .~.~ Hopper type {3}
250.~.~.~ Longitudinal doors {2}
251  DF  .~.~.~.~> Center-sill separator
252  DF  .~.~.~.~> Side-chute bridge

DEFINITION

Classification: 105/250

(under subclass 247) Hopper type cars having drop-bottom doors arranged to swing about axes longitudinally of the car or slide transversely of the car.