3903823

Information

• Patent Grant
• 3903823

• References
• Source

• Patent Number

  3,903,823

• Date Filed

  Not available

• Date Issued

  Tuesday, September 9, 1975
  49 years ago

• CPC

  • B63C7/26 - Means for indicating the location of underwater objects
  • B63C7/02 - in which the lifting is done by hauling

• US Classifications

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