3581693

Information

• Patent Grant
• 3581693

• References
• Source

• Patent Number

  3,581,693

• Date Filed

  Not available

• Date Issued

  Tuesday, June 1, 1971
  53 years ago

• CPC

  • B63G8/41 - Capsules, chambers, water-tight boats or the like, detachable from the submarine
  • B63C7/26 - Means for indicating the location of underwater objects
  • B63G8/08 - Propulsion

• US Classifications

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