2540657

Information

• Patent Grant
• 2540657

• References
• Source

• Patent Number

  2,540,657

• Date Filed

  Not available

• Date Issued

  Tuesday, February 6, 1951
  74 years ago

• CPC

  • F23L9/00 - Passages or apertures for delivering secondary air for completing combustion of fuel
  • F23L9/06 - by discharging the air into the fire bed

• US Classifications

  • 110 - Furnaces
  • 126 - Stoves and furnaces