US PATENT SUBCLASS 105 / 243
.~.~ Convertible flat and hopper bottom

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}
243.~.~ Convertible flat and hopper bottom

DEFINITION

Classification: 105/243

(under subclass 239) Cars designed to be converted at will from a box or gondola car to a hopper-bottom dumping-car.