1880997

Information

• Patent Grant
• 1880997

• References
• Source

• Patent Number

  1,880,997

• Date Filed

  Not available

• Date Issued

  Tuesday, October 4, 1932
  92 years ago

• CPC

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

• US Classifications

  • 244 - Aeronautics and astronautics