3693883

Information

• Patent Grant
• 3693883

• References
• Source

• Patent Number

  3,693,883

• Date Filed

  Not available

• Date Issued

  Tuesday, September 26, 1972
  52 years ago

• CPC

  • F23J11/00 - Devices for conducting smoke or fumes
  • F23L17/00 - Inducing draught
  • F23L2700/001 - Installations for increasing draught in chimneys

• US Classifications

  • 239 - Fluid sprinkling, spraying, and diffusing
  • 446 - Amusement devices: toys
  • 454 - Ventilation