2427413

Information

• Patent Grant
• 2427413

• References
• Source

• Patent Number

  2,427,413

• Date Filed

  Not available

• Date Issued

  Tuesday, September 16, 1947
  77 years ago

• CPC

  • F23L17/08 - with co-axial cones or louvres

• US Classifications

  • 454 - Ventilation