1446937

Information

• Patent Grant
• 1446937

• References
• Source

• Patent Number

  1,446,937

• Date Filed

  Not available

• Date Issued

  Tuesday, February 27, 1923
  101 years ago

• CPC

  • F23M5/02 - characterised by the shape of the bricks or blocks used
  • F23M2700/0053 - Bricks for combustion chamber walls

• US Classifications

  • 110 - Furnaces