US PATENT SUBCLASS 138 / 35
.~ Portable thawing apparatus

Current as of: June, 1999
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138 /   HD   PIPES AND TUBULAR CONDUITS

32  DF  THAWING AND FREEZE PROTECTION {3}
35.~ Portable thawing apparatus

DEFINITION

Classification: 138/35

(under subclass 32) Thawing apparatus which is portable and not elsewhere classifiable as a stove or heater.