1851712

Information

• Patent Grant
• 1851712

• References
• Source

• Patent Number

  1,851,712

• Date Filed

  Not available

• Date Issued

  Tuesday, March 29, 1932
  92 years ago

• CPC

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

• US Classifications

  • 244 - Aeronautics and astronautics