1989400

Information

• Patent Grant
• 1989400

• References
• Source

• Patent Number

  1,989,400

• Date Filed

  Not available

• Date Issued

  Tuesday, January 29, 1935
  90 years ago

• CPC

  • F23B7/00 - Combustion techniques Other solid-fuel combustion apparatus
  • F23B2700/023 - with various arrangements not otherwise provided for
  • Y10S165/031 - Gradated flow area, heat capacity or conductivity

• US Classifications

  • 165 - Heat exchange
  • 110 - Furnaces
  • 126 - Stoves and furnaces
  • 431 - Combustion