US PATENT SUBCLASS 373 / 75
.~.~ Sidewall


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



373 /   HD   INDUSTRIAL ELECTRIC HEATING FURNACES

60  DF  ARC FURNACE DEVICE {9}
71  DF  .~ Furnace body detail {4}
75.~.~ Sidewall {1}
76  DF  .~.~.~> With cooling


DEFINITION

Classification: 373/75

Sidewall:

(under subclass 71) Subject matter including means forming the furnace sidewalls.