1247905

Information

• Patent Grant
• 1247905

• References
• Source

• Patent Number

  1,247,905

• Date Filed

  Not available

• Date Issued

  Tuesday, November 27, 1917
  107 years ago

• CPC

  • F22B1/146 - Loffler boilers

• US Classifications

  • 122 - Liquid heaters and vaporizers
  • 126 - Stoves and furnaces
  • 165 - Heat exchange