3820748

Information

• Patent Grant
• 3820748

• References
• Source

• Patent Number

  3,820,748

• Date Filed

  Not available

• Date Issued

  Friday, June 28, 1974
  50 years ago

• CPC

  • B64D17/54 - automatic
  • B64D2700/6257 - Opening induced by means other than airstream

• US Classifications

  • 244 - Aeronautics and astronautics