US PATENT SUBCLASS 110 / 169
.~.~.~ Reciprocating discharge valve


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}
167  DF  .~.~ Dumping {3}
169.~.~.~ Reciprocating discharge valve


DEFINITION

Classification: 110/169

(under subclass 167) Ashpans that dump the contents by reciprocating one or more valves in the bottom of the pan.