3381650

Information

• Patent Grant
• 3381650

• References
• Source

• Patent Number

  3,381,650

• Date Filed

  Not available

• Date Issued

  Tuesday, May 7, 1968
  57 years ago

• CPC

  • B63B1/10 - with multiple hulls
  • B60F3/0023 - comprising screw-type ground-engaging means
  • B62D57/036 - screw type
  • B63H1/38 - characterised solely by flotation properties

• US Classifications

  • 440 - Marine propulsion
  • 416 - Fluid reaction surfaces