3490721

Information

• Patent Grant
• 3490721

• References
• Source

• Patent Number

  3,490,721

• Date Filed

  Not available

• Date Issued

  Tuesday, January 20, 1970
  55 years ago

• CPC

  • B64C29/0041 - the lift during taking-off being created by jet motors

• US Classifications

  • 244 - Aeronautics and astronautics