741346

Information

• Patent Grant
• 741346

• References
• Source

• Patent Number

  741,346

• Date Filed

  Not available

• Date Issued

  Tuesday, October 13, 1903
  122 years ago

• CPC

  • F23L9/00 - Passages or apertures for delivering secondary air for completing combustion of fuel
  • Y10S122/11 - Removable steam-heating elements

• US Classifications

  • 110 - Furnaces
  • 122 - Liquid heaters and vaporizers