US PATENT SUBCLASS 431 / 155
.~ Slide or roller

Current as of: June, 1999
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431 /   HD   COMBUSTION

154  DF  WITH REPAIR, ASSEMBLY OR DISASSEMBLY ADJUNCT {1}
155.~ Slide or roller

DEFINITION

Classification: 431/155

(under subclass 154) Apparatus in which the means or device is a support on which a burner or burner element is slid or rolled into or out of operative position.