1798830

Information

• Patent Grant
• 1798830

• References
• Source

• Patent Number

  1,798,830

• Date Filed

  Not available

• Date Issued

  Tuesday, March 31, 1931
  93 years ago

• CPC

  • F22B21/126 - involving more than two lower or upper drums

• US Classifications

  • 122 - Liquid heaters and vaporizers