1809424

Information

• Patent Grant
• 1809424

• References
• Source

• Patent Number

  1,809,424

• Date Filed

  Not available

• Date Issued

  Tuesday, June 9, 1931
  93 years ago

• CPC

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

• US Classifications

  • 416 - Fluid reaction surfaces