3874013

Information

• Patent Grant
• 3874013

• References
• Source

• Patent Number

  3,874,013

• Date Filed

  Not available

• Date Issued

  Tuesday, April 1, 1975
  49 years ago

• CPC

  • B63B22/08 - having means to release or urge to the surface a buoy on submergence thereof
  • B63C7/02 - in which the lifting is done by hauling
  • B63B2205/08 - with means for recovering the sunken object

• US Classifications

  • 441 - Buoys, rafts, and aquatic devices
  • 114 - Ships