1725485

Information

• Patent Grant
• 1725485

• References
• Source

• Patent Number

  1,725,485

• Date Filed

  Not available

• Date Issued

  Tuesday, August 20, 1929
  95 years ago

• CPC

  • F22G7/02 - in fire tubes

• US Classifications

  • 122 - Liquid heaters and vaporizers