3656720

Information

• Patent Grant
• 3656720

• References
• Source

• Patent Number

  3,656,720

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1972
  52 years ago

• CPC

  • F27B9/063 - Resistor heating
  • F27B9/045 - Furnaces with controlled atmosphere
  • F27B9/12 - with special arrangements for preheating or cooling the charge
  • F27B9/201 - walking beam furnace
  • F27B9/38 - Arrangements of devices for charging
  • F27B2009/124 - Cooling
  • F27M2003/04 - Sintering

• US Classifications

  • 432 - Heating