876477

Information

• Patent Grant
• 876477

• References
• Source

• Patent Number

  876,477

• Date Filed

  Not available

• Date Issued

  Tuesday, January 14, 1908
  117 years ago

• CPC

  • F22B21/14 - involving a single upper drum and two or more lower drums
  • Y10S122/14 - Tube replacement

• US Classifications

  • 122 - Liquid heaters and vaporizers