3469557

Information

• Patent Grant
• 3469557

• References
• Source

• Patent Number

  3,469,557

• Date Filed

  Not available

• Date Issued

  Tuesday, September 30, 1969
  55 years ago

• CPC

  • B63H5/16 - characterised by being mounted in recesses with stationary water-guiding elements Means to prevent fouling of the propeller
  • B63B1/20 - having more than one planing surface
  • B63H20/34 - comprising stabilising fins, foils, anticavitation plates, splash plates, or rudders
  • B63B2001/203 - arranged in semi-catamaran configuration

• US Classifications

  • 440 - Marine propulsion
  • 114 - Ships
  • D12 - Transportation