3791762

Information

• Patent Grant
• 3791762

• References
• Source

• Patent Number

  3,791,762

• Date Filed

  Not available

• Date Issued

  Tuesday, February 12, 1974
  50 years ago

• CPC

  • B63H5/10 - of coaxial type
  • B63H1/28 - Other means for improving propeller efficiency
  • B63H2001/145 - comprising blades of two or more different types
  • B63H2005/103 - of co-rotative type, i.e. rotating in the same direction

• US Classifications

  • 416 - Fluid reaction surfaces