3576042

Information

• Patent Grant
• 3576042

• References
• Source

• Patent Number

  3,576,042

• Date Filed

  Not available

• Date Issued

  Tuesday, April 27, 1971
  53 years ago

• CPC

  • B63C9/093 - using solid buoyant material
  • A41D13/0125 - with buoyancy aids

• US Classifications

  • 441 - Buoys, rafts, and aquatic devices