3711220

Information

• Patent Grant
• 3711220

• References
• Source

• Patent Number

  3,711,220

• Date Filed

  Not available

• Date Issued

  Tuesday, January 16, 1973
  52 years ago

• CPC

  • B63H3/12 - the pitch being adjustable only when propeller is stationary
  • B63H1/20 - Hubs Blade connections
  • B63H1/26 - Blades

• US Classifications

  • 416 - Fluid reaction surfaces