3521566

Information

• Patent Grant
• 3521566

• References
• Source

• Patent Number

  3,521,566

• Date Filed

  Not available

• Date Issued

  Tuesday, July 21, 1970
  54 years ago

• CPC

  • B60V1/046 - the walls or a part of them being rigid
  • B60V1/115 - by ground or water engaging means
  • B60V3/065 - hulls therefor

• US Classifications

  • 104 - Railways
  • 440 - Marine propulsion