US PATENT SUBCLASS 373 / 37
.~.~.~ Protection means

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

27  DF  GLASS FURNACE DEVICE {2}
29  DF  .~ Joule effect heating {4}
36  DF  .~.~ Electrode assembly {2}
37.~.~.~ Protection means

DEFINITION

Classification: 373/37

Protection means:

(under subclass 36) Subject matter including means to protect the electrode from excessive deterioration while in use.

SEE OR SEARCH THIS CLASS, SUBCLASS:

55, for electroslag remelting furnace electrodes with protective shields.

64, for arc furnace electrodes with protective shields.