US PATENT SUBCLASS 60 / 641.14
.~.~.~ Gaseous


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

641.1  DF  UTILIZING NATURAL HEAT {3}
641.8  DF  .~ Solar {4}
641.13  DF  .~.~ With single state working substance {1}
641.14.~.~.~ Gaseous


DEFINITION

Classification: 60/641.14

Gaseous:

(under subclass 641.13) Apparatus wherein the substance is

either air or gas.