3782303

Information

• Patent Grant
• 3782303

• References
• Source

• Patent Number

  3,782,303

• Date Filed

  Not available

• Date Issued

  Tuesday, January 1, 1974
  51 years ago

• CPC

  • F23L17/00 - Inducing draught
  • F23L2700/001 - Installations for increasing draught in chimneys

• US Classifications

  • 110 - Furnaces
  • 126 - Stoves and furnaces
  • 454 - Ventilation