3807339

Information

• Patent Grant
• 3807339

• References
• Source

• Patent Number

  3,807,339

• Date Filed

  Not available

• Date Issued

  Tuesday, April 30, 1974
  50 years ago

• CPC

  • B60V1/046 - the walls or a part of them being rigid
  • B60V1/145 - using a watter propeller

• US Classifications

  • 114 - Ships
  • 180 - Motor vehicles