1830155

Information

• Patent Grant
• 1830155

• References
• Source

• Patent Number

  1,830,155

• Date Filed

  Not available

• Date Issued

  Tuesday, November 3, 1931
  93 years ago

• CPC

  • F22B21/12 - involving two or more upper drums and two or more lower drums

• US Classifications

  • 122 - Liquid heaters and vaporizers
  • 110 - Furnaces