720867

Information

• Patent Grant
• 720867

• References
• Source

• Patent Number

  720,867

• Date Filed

  Not available

• Date Issued

  Tuesday, February 17, 1903
  121 years ago

• CPC

  • F22B5/02 - with auxiliary water tubes outside the boiler body

• US Classifications

  • 122 - Liquid heaters and vaporizers
  • 110 - Furnaces
  • 126 - Stoves and furnaces