3376588

Information

• Patent Grant
• 3376588

• References
• Source

• Patent Number

  3,376,588

• Date Filed

  Not available

• Date Issued

  Tuesday, April 9, 1968
  56 years ago

• CPC

  • B63B22/20 - Ballast means
  • B63B2207/02 - Variable ballast or buoyancy
  • B63B2209/06 - fluid produced by reaction with water

• US Classifications

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