3222445

Information

• Patent Grant
• 3222445

• References
• Source

• Patent Number

  3,222,445

• Date Filed

  Not available

• Date Issued

  Tuesday, December 7, 1965
  59 years ago

• CPC

  • C01B31/32 - Calcium carbide
  • F27D1/1816 - Removable covers specially adapted for arc furnaces
  • H05B7/02 - Details

• US Classifications

  • 373 - Industrial electric heating furnaces