1672252

Information

• Patent Grant
• 1672252

• References
• Source

• Patent Number

  1,672,252

• Date Filed

  Not available

• Date Issued

  Tuesday, June 5, 1928
  96 years ago

• CPC

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

• US Classifications

  • 122 - Liquid heaters and vaporizers
  • 220 - Receptacles