1837896

Information

• Patent Grant
• 1837896

• References
• Source

• Patent Number

  1,837,896

• Date Filed

  Not available

• Date Issued

  Tuesday, December 22, 1931
  93 years ago

• CPC

  • B63H1/28 - Other means for improving propeller efficiency
  • B63B3/40 - Stern posts Stern frames
  • B63H5/08 - of more than one propeller
  • B63H5/16 - characterised by being mounted in recesses with stationary water-guiding elements Means to prevent fouling of the propeller
  • B63H25/38 - Rudders

• US Classifications

  • 440 - Marine propulsion
  • 244 - Aeronautics and astronautics
  • 416 - Fluid reaction surfaces