1379547

Information

• Patent Grant
• 1379547

• References
• Source

• Patent Number

  1,379,547

• Date Filed

  Not available

• Date Issued

  Tuesday, May 24, 1921
  103 years ago

• CPC

  • F22B21/002 - involving a single upper drum

• US Classifications

  • 122 - Liquid heaters and vaporizers