1666659

Information

• Patent Grant
• 1666659

• References
• Source

• Patent Number

  1,666,659

• Date Filed

  Not available

• Date Issued

  Tuesday, April 17, 1928
  97 years ago

• CPC

  • F22B21/126 - involving more than two lower or upper drums

• US Classifications

  • 122 - Liquid heaters and vaporizers
  • 110 - Furnaces