2179741

Information

• Patent Grant
• 2179741

• References
• Source

• Patent Number

  2,179,741

• Date Filed

  Not available

• Date Issued

  Tuesday, November 14, 1939
  85 years ago

• CPC

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

• US Classifications

  • 122 - Liquid heaters and vaporizers