1859858

Information

• Patent Grant
• 1859858

• References
• Source

• Patent Number

  1,859,858

• Date Filed

  Not available

• Date Issued

  Tuesday, May 24, 1932
  92 years ago

• CPC

  • F22B21/04 - involving a single upper drum and a single lower drum

• US Classifications

  • 122 - Liquid heaters and vaporizers
  • 110 - Furnaces