1020558

Information

• Patent Grant
• 1020558

• References
• Source

• Patent Number

  1,020,558

• Date Filed

  Not available

• Date Issued

  Tuesday, March 19, 1912
  112 years ago

• CPC

  • F24H1/28 - including one or more furnace or fire tubes
  • F23B1/22 - using travelling grate

• US Classifications

  • 122 - Liquid heaters and vaporizers