3381757

Information

• Patent Grant
• 3381757

• References
• Source

• Patent Number

  3,381,757

• Date Filed

  Not available

• Date Issued

  Tuesday, May 7, 1968
  56 years ago

• CPC

  • B63H1/04 - with rotation axis substantially at right angles to propulsive direction
  • B63B2743/00 - Paddle wheels for ships in general

• US Classifications

  • 416 - Fluid reaction surfaces