3001521

Information

• Patent Grant
• 3001521

• References
• Source

• Patent Number

  3,001,521

• Date Filed

  Not available

• Date Issued

  Tuesday, September 26, 1961
  63 years ago

• CPC

  • F24B1/1886 - the heat exchanger comprising only tubular air ducts within the fire
  • F24B1/1888 - with forced circulation

• US Classifications

  • 126 - Stoves and furnaces