3540067

Information

• Patent Grant
• 3540067

• References
• Source

• Patent Number

  3,540,067

• Date Filed

  Not available

• Date Issued

  Tuesday, November 17, 1970
  54 years ago

• CPC

  • B63C9/115 - using solid buoyant material
  • B63C9/093 - using solid buoyant material

• US Classifications

  • 441 - Buoys, rafts, and aquatic devices