1764873

Information

• Patent Grant
• 1764873

• References
• Source

• Patent Number

  1,764,873

• Date Filed

  Not available

• Date Issued

  Tuesday, June 17, 1930
  94 years ago

• CPC

  • F22B25/00 - Water-tube boilers built-up from sets of water tubes with internally-arranged flue tubes, or fire tubes, extending through the water tubes

• US Classifications

  • 122 - Liquid heaters and vaporizers