1971068

Information

• Patent Grant
• 1971068

• References
• Source

• Patent Number

  1,971,068

• Date Filed

  Not available

• Date Issued

  Tuesday, August 21, 1934
  90 years ago

• CPC

  • F22B9/16 - the boiler body containing fire tubes disposed crosswise in inclined upward arrangement

• US Classifications

  • 122 - Liquid heaters and vaporizers
  • 110 - Furnaces