3367640

Information

• Patent Grant
• 3367640

• References
• Source

• Patent Number

  3,367,640

• Date Filed

  Not available

• Date Issued

  Tuesday, February 6, 1968
  56 years ago

• CPC

  • H05B3/62 - Heating elements specially adapted for furnaces
  • D01F9/16 - from products of vegetable origin or derivatives thereof
  • D01F9/324 - for manufacturing filaments from products of vegetable origin
  • F27D11/02 - Ohmic resistance heating

• US Classifications

  • 423 - Chemistry of inorganic compounds
  • 266 - Metallurgical apparatus
  • 373 - Industrial electric heating furnaces