2214569

Information

• Patent Grant
• 2214569

• References
• Source

• Patent Number

  2,214,569

• Date Filed

  Not available

• Date Issued

  Tuesday, September 10, 1940
  84 years ago

• CPC

  • B64D17/20 - variable in area

• US Classifications

  • 244 - Aeronautics and astronautics