1855716

Information

• Patent Grant
• 1855716

• References
• Source

• Patent Number

  1,855,716

• Date Filed

  Not available

• Date Issued

  Tuesday, April 26, 1932
  92 years ago

• CPC

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

• US Classifications

  • 122 - Liquid heaters and vaporizers