1947225

Information

• Patent Grant
• 1947225

• References
• Source

• Patent Number

  1,947,225

• Date Filed

  Not available

• Date Issued

  Tuesday, February 13, 1934
  90 years ago

• CPC

  • F22B21/007 - specially adapted for locomotives

• US Classifications

  • 122 - Liquid heaters and vaporizers