1887141

Information

• Patent Grant
• 1887141

• References
• Source

• Patent Number

  1,887,141

• Date Filed

  Not available

• Date Issued

  Tuesday, November 8, 1932
  92 years ago

• CPC

  • F22B21/185 - involving more than two upper drums and a single lower drum

• US Classifications

  • 122 - Liquid heaters and vaporizers