3721058

Information

• Patent Grant
• 3721058

• References
• Source

• Patent Number

  3,721,058

• Date Filed

  Not available

• Date Issued

  Tuesday, March 20, 1973
  51 years ago

• CPC

  • B63B22/16 - specially adapted for marking a navigational route
  • B63B1/041 - with disk-shaped hull
  • B63B5/16 - monolithic
  • B63B9/06 - Methods of building hulls
  • B63B59/02 - Fenders integral with waterborne vessels or specially adapted therefor

• US Classifications

  • 052 - Static structures