US PATENT SUBCLASS 60 / 674
.~.~.~ Air and steam supplied to motor

Current as of: June, 1999
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60 /   HD   POWER PLANTS

643  DF  MOTIVE FLUID ENERGIZED BY EXTERNALLY APPLIED HEAT {11}
670  DF  .~ Power system involving change of state {6}
671  DF  .~.~ Motive fluid comprises a material other than steam or water {3}
674.~.~.~ Air and steam supplied to motor

DEFINITION

Classification: 60/674

(under subclass 671) Apparatus, including structure by which air and steam or water are intermingled.