2577047

Information

• Patent Grant
• 2577047

• References
• Source

• Patent Number

  2,577,047

• Date Filed

  Not available

• Date Issued

  Tuesday, December 4, 1951
  73 years ago

• CPC

  • B64D17/20 - variable in area

• US Classifications

  • 244 - Aeronautics and astronautics