US PATENT SUBCLASS 110 / 124
.~.~ Divided

Current as of: June, 1999
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110 /   HD   FURNACES

119  DF  SPARK ARRESTERS {3}
122  DF  .~ Smokebox {7}
124.~.~ Divided

DEFINITION

Classification: 110/124

(under subclass 122) Devices having two compartments, into one of which the sparks are precipitated.