3619467

Information

• Patent Grant
• 3619467

• References
• Source

• Patent Number

  3,619,467

• Date Filed

  Not available

• Date Issued

  Tuesday, November 9, 1971
  53 years ago

• CPC

  • C21C5/5211 - in an alternating current [AC] electric arc furnace
  • F27B3/085 - Arc furnaces
  • F27D1/1678 - Increasing the durability of linings; Means for protecting
  • F27D11/00 - Arrangement of elements for electric heating in or on furnaces
  • Y02P10/216 - of Fe

• US Classifications

  • 373 - Industrial electric heating furnaces