1421247

Information

• Patent Grant
• 1421247

• References
• Source

• Patent Number

  1,421,247

• Date Filed

  Not available

• Date Issued

  Tuesday, June 27, 1922
  102 years ago

• CPC

  • F23M20/00 - Details of combustion chambers, not otherwise provided for
  • Y10S165/472 - U-shaped conduits connected to side-by-side manifolds

• US Classifications

  • 165 - Heat exchange
  • 126 - Stoves and furnaces