3702368

Information

• Patent Grant
• 3702368

• References
• Source

• Patent Number

  3,702,368

• Date Filed

  Not available

• Date Issued

  Tuesday, November 7, 1972
  52 years ago

• CPC

  • F27D99/0006 - Electric heating elements or system
  • F27B14/063 - Skull melting type
  • F27B14/14 - Arrangements of heating devices
  • H05B6/32 - Arrangements for simultaneous levitation and heating
  • F27B14/08 - Details peculiar to crucible or pot furnaces
  • F27B2014/0837 - Cooling arrangements

• US Classifications

  • 373 - Industrial electric heating furnaces
  • 219 - Electric heating