1311697

Information

• Patent Grant
• 1311697

• References
• Source

• Patent Number

  1,311,697

• Date Filed

  Not available

• Date Issued

  Tuesday, July 29, 1919
  105 years ago

• CPC

  • F24B1/24 - with built-in masses for heat storage or heat insulation

• US Classifications

  • 126 - Stoves and furnaces