1684691

Information

• Patent Grant
• 1684691

• References
• Source

• Patent Number

  1,684,691

• Date Filed

  Not available

• Date Issued

  Tuesday, September 18, 1928
  97 years ago

• CPC

  • F22B37/226 - Protection of drums against combustion

• US Classifications

  • 110 - Furnaces
  • 122 - Liquid heaters and vaporizers