1789623

Information

• Patent Grant
• 1789623

• References
• Source

• Patent Number

  1,789,623

• Date Filed

  Not available

• Date Issued

  Tuesday, January 20, 1931
  93 years ago

• CPC

  • B64C11/00 - Propellers
  • B64D2700/62692 - Tractive or propulsive propellers

• US Classifications

  • 244 - Aeronautics and astronautics