2774294

Information

• Patent Grant
• 2774294

• References
• Source

• Patent Number

  2,774,294

• Date Filed

  Not available

• Date Issued

  Tuesday, December 18, 1956
  68 years ago

• CPC

  • F23L17/06 - branched T-headed
  • F23J11/00 - Devices for conducting smoke or fumes

• US Classifications

  • 454 - Ventilation