US PATENT SUBCLASS 126 / 709
.~.~ Insulation


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

569  DF  SOLAR HEAT COLLECTOR {18}
704  DF  .~ Collector housing {3}
709.~.~ Insulation


DEFINITION

Classification: 126/709

Insulation:

(under subclass 704) Apparatus wherein the enclosure includes or is formed of a material that precludes escape of heat from space within the enclosure.