3722866

Information

• Patent Grant
• 3722866

• References
• Source

• Patent Number

  3,722,866

• Date Filed

  Not available

• Date Issued

  Tuesday, March 27, 1973
  51 years ago

• CPC

  • F27D99/0001 - Heating elements or systems
  • F23D14/16 - using permeable blocks
  • F27B11/00 - Bell-type furnaces
  • F23D2212/103 - Fibres
  • F27D1/0009 - Comprising ceramic fibre elements
  • F27D1/1808 - Removable covers
  • F27D99/0033 - using burners
  • F27D2001/0073 - Surrounding protection around the furnace

• US Classifications

  • 432 - Heating
  • 431 - Combustion