1751498

Information

• Patent Grant
• 1751498

• References
• Source

• Patent Number

  1,751,498

• Date Filed

  Not available

• Date Issued

  Tuesday, March 25, 1930
  94 years ago

• CPC

  • F22B7/20 - Furnace tubes

• US Classifications

  • 431 - Combustion
  • 122 - Liquid heaters and vaporizers