2281202

Information

• Patent Grant
• 2281202

• References
• Source

• Patent Number

  2,281,202

• Date Filed

  Not available

• Date Issued

  Tuesday, April 28, 1942
  83 years ago

• CPC

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

• US Classifications

  • 417 - Pumps
  • 062 - Refrigeration