2470375

Information

• Patent Grant
• 2470375

• References
• Source

• Patent Number

  2,470,375

• Date Filed

  Not available

• Date Issued

  Tuesday, May 17, 1949
  75 years ago

• CPC

  • F24F7/00 - Ventilation
  • E06B7/04 - with ventilation wings

• US Classifications

  • 454 - Ventilation