1803381

Information

• Patent Grant
• 1803381

• References
• Source

• Patent Number

  1,803,381

• Date Filed

  Not available

• Date Issued

  Tuesday, May 5, 1931
  93 years ago

• CPC

  • F22B37/303 - specially adapted for boiler drums

• US Classifications

  • 055 - Gas separation
  • 122 - Liquid heaters and vaporizers