912521

Information

• Patent Grant
• 912521

• References
• Source

• Patent Number

  912,521

• Date Filed

  Not available

• Date Issued

  Tuesday, February 16, 1909
  115 years ago

• CPC

  • F22B13/04 - mounted in fixed position with the boiler body disposed substantially horizontally
  • F23G5/245 - with perforated bottom or grate

• US Classifications

  • 122 - Liquid heaters and vaporizers
  • 110 - Furnaces