1933247

Information

• Patent Grant
• 1933247

• References
• Source

• Patent Number

  1,933,247

• Date Filed

  Not available

• Date Issued

  Tuesday, October 31, 1933
  91 years ago

• CPC

  • F22B33/04 - of boilers of furnace-tube type with boilers of water-tube type

• US Classifications

  • 122 - Liquid heaters and vaporizers