2565854

Information

• Patent Grant
• 2565854

• References
• Source

• Patent Number

  2,565,854

• Date Filed

  Not available

• Date Issued

  Tuesday, August 28, 1951
  73 years ago

• CPC

  • E21F1/08 - Ventilation arrangements in connection with air ducts

• US Classifications

  • 060 - Power plants