2331552

Information

• Patent Grant
• 2331552

• References
• Source

• Patent Number

  2,331,552

• Date Filed

  Not available

• Date Issued

  Tuesday, October 12, 1943
  81 years ago

• CPC

  • F22B13/145 - Firebox thermosiphons
  • Y10T29/49352 - Repairing, converting, servicing or salvaging
  • Y10T29/49387 - Boiler making

• US Classifications

  • 122 - Liquid heaters and vaporizers
  • 029 - Metal working
  • 072 - Metal deforming