2271967

Information

• Patent Grant
• 2271967

• References
• Source

• Patent Number

  2,271,967

• Date Filed

  Not available

• Date Issued

  Tuesday, February 3, 1942
  83 years ago

• CPC

  • F23H11/10 - with special provision for supply of air from below and for regulating air supply
  • F23L9/00 - Passages or apertures for delivering secondary air for completing combustion of fuel

• US Classifications

  • 110 - Furnaces