1777441

Information

• Patent Grant
• 1777441

• References
• Source

• Patent Number

  1,777,441

• Date Filed

  Not available

• Date Issued

  Tuesday, October 7, 1930
  94 years ago

• CPC

  • B64D17/18 - Vent arrangement or construction

• US Classifications

  • 244 - Aeronautics and astronautics