2428557

Information

• Patent Grant
• 2428557

• References
• Source

• Patent Number

  2,428,557

• Date Filed

  Not available

• Date Issued

  Tuesday, October 7, 1947
  77 years ago

• CPC

  • B64C39/008 - about a longitudinal axis

• US Classifications

  • 244 - Aeronautics and astronautics