US PATENT SUBCLASS 126 / 160
.~ Closures


Current as of: June, 1999
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126 /   HD   STOVES AND FURNACES

152 R  DF  GRATES {16}
160.~ Closures


DEFINITION

Classification: 126/160

(under subclass 152) Devices provided with means for regulating the grate-openings, whereby the draft may be full,

reduced, or closed.