3396690

Information

• Patent Grant
• 3396690

• References
• Source

• Patent Number

  3,396,690

• Date Filed

  Not available

• Date Issued

  Tuesday, August 13, 1968
  57 years ago

• CPC

  • B63H1/38 - characterised solely by flotation properties
  • B60F3/0023 - comprising screw-type ground-engaging means
  • B62D57/02 - with ground-engaging propulsion means
  • B62D57/036 - screw type
  • B63B1/10 - with multiple hulls

• US Classifications

  • 440 - Marine propulsion
  • 180 - Motor vehicles