2991736

Information

• Patent Grant
• 2991736

• References
• Source

• Patent Number

  2,991,736

• Date Filed

  Not available

• Date Issued

  Tuesday, July 11, 1961
  63 years ago

• CPC

  • F27D1/148 - Means to suspend bricks
  • F23M5/06 - Crowns or roofs for combustion chambers
  • F24B1/04 - built-up from glazed tiles
  • F27D1/08 - Bricks or blocks with internal reinforcement or metal backing

• US Classifications

  • 110 - Furnaces
  • 248 - Supports