1704144

Information

• Patent Grant
• 1704144

• References
• Source

• Patent Number

  1,704,144

• Date Filed

  Not available

• Date Issued

  Tuesday, March 5, 1929
  95 years ago

• CPC

  • F22B13/145 - Firebox thermosiphons
  • Y10S122/16 - Welding
  • Y10T29/49352 - Repairing, converting, servicing or salvaging

• US Classifications

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