US PATENT SUBCLASS 237 / 41
.~.~ Car boiler

Current as of: June, 1999
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237 /   HD   HEATING SYSTEMS

28  DF  VEHICLE {7}
40  DF  .~ Steam {1}
41.~.~ Car boiler {1}
42  DF  .~.~.~> Train steam

DEFINITION

Classification: 237/41

(under subclass 40) Steam heating systems in which the steam is formed in a boiler on the car.