1723619

Information

• Patent Grant
• 1723619

• References
• Source

• Patent Number

  1,723,619

• Date Filed

  Not available

• Date Issued

  Tuesday, August 6, 1929
  95 years ago

• CPC

  • B63H1/28 - Other means for improving propeller efficiency
  • B63H1/20 - Hubs Blade connections
  • B63H1/26 - Blades
  • B63H2001/286 - Injection of gas into fluid flow to propellers, or around propeller blades
  • B63H2023/346 - comprising hollow shaft members

• US Classifications

  • 416 - Fluid reaction surfaces