US PATENT SUBCLASS 122 / 235.26
.~ Having slag and ash disposal

Current as of: June, 1999
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122 /   HD   LIQUID HEATERS AND VAPORIZERS

235.11  DF  WATER TUBE {52}
235.26.~ Having slag and ash disposal

DEFINITION

Classification: 122/235.26

Having slag and ash disposal:

(under subclass 235.11) Devices having means to remove left over products of combustion.