3667745

Information

• Patent Grant
• 3667745

• References
• Source

• Patent Number

  3,667,745

• Date Filed

  Not available

• Date Issued

  Tuesday, June 6, 1972
  52 years ago

• CPC

  • F27B14/143 - Heating of the crucible by convection of combustion gases

• US Classifications

  • 266 - Metallurgical apparatus
  • 432 - Heating