1708919

Information

• Patent Grant
• 1708919

• References
• Source

• Patent Number

  1,708,919

• Date Filed

  Not available

• Date Issued

  Tuesday, April 9, 1929
  95 years ago

• CPC

  • F22B13/10 - with auxiliary water tubes inside the fire-box

• US Classifications

  • 122 - Liquid heaters and vaporizers