US PATENT SUBCLASS 110 / 171
.~.~ Steam and water attachments

Current as of: June, 1999
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110 /   HD   FURNACES

165 R  DF  ASH RECEIVING AND HANDLING DEVICES {2}
166  DF  .~ Ashpans {2}
171.~.~ Steam and water attachments

DEFINITION

Classification: 110/171

(under subclass 166) Devices where water or steam is injected into the ashpan for the purpose of ejecting the ashes or extinguishing sparks.