1731577

Information

• Patent Grant
• 1731577

• References
• Source

• Patent Number

  1,731,577

• Date Filed

  Not available

• Date Issued

  Tuesday, October 15, 1929
  95 years ago

• CPC

  • F22B21/14 - involving a single upper drum and two or more lower drums
  • F22B21/346 - Horizontal radiation boilers

• US Classifications

  • 122 - Liquid heaters and vaporizers