US PATENT SUBCLASS 237 / 35
.~.~ Car boiler

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

28  DF  VEHICLE {7}
34  DF  .~ Water {2}
35.~.~ Car boiler {2}
36  DF  .~.~.~> Fluid fuel
37  DF  .~.~.~> Train steam {1}

DEFINITION

Classification: 237/35

(under subclass 34) Vehicle-heating systems having a boiler located on the vehicle and piping for heating and circulating water.