US PATENT SUBCLASS 60 / 641.8
.~ Solar

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

641.1  DF  UTILIZING NATURAL HEAT {3}
641.8.~ Solar {4}
641.9  DF  .~.~> With distillation
641.11  DF  .~.~> With elevated structure {1}
641.13  DF  .~.~> With single state working substance {1}
641.15  DF  .~.~> With solar concentration

DEFINITION

Classification: 60/641.8

Solar:

(under subclass 641.1) Apparatus wherein the source of heat is the sun.