3398671

Information

• Patent Grant
• 3398671

• References
• Source

• Patent Number

  3,398,671

• Date Filed

  Not available

• Date Issued

  Tuesday, August 27, 1968
  56 years ago

• CPC

  • E04D13/1471 - using a hinge mechanism for adaptation to the inclined roof
  • F23L17/02 - Tops for chimneys or ventilating shafts Terminals for flues

• US Classifications

  • 454 - Ventilation
  • 126 - Stoves and furnaces