2207654

Information

• Patent Grant
• 2207654

• References
• Source

• Patent Number

  2,207,654

• Date Filed

  Not available

• Date Issued

  Tuesday, July 9, 1940
  84 years ago

• CPC

  • F22B13/023 - with auxiliary water tubes inside the fire-box

• US Classifications

  • 122 - Liquid heaters and vaporizers