US PATENT SUBCLASS 126 / 650
.~.~.~ Particular material

Current as of: June, 1999
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126 /   HD   STOVES AND FURNACES

569  DF  SOLAR HEAT COLLECTOR {18}
634  DF  .~ With means to convey fluent medium through collector {7}
648  DF  .~.~ With radiation trap {2}
650.~.~.~ Particular material

DEFINITION

Classification: 126/650

Particular material:

(under subclass 648) Apparatus wherein significance is attributed to a substance from which the device is made.