3605147

Information

• Patent Grant
• 3605147

• References
• Source

• Patent Number

  3,605,147

• Date Filed

  Not available

• Date Issued

  Monday, September 20, 1971
  53 years ago

• CPC

  • B63B22/00 - Buoys
  • G01C13/00 - Surveying specially adapted to open water
  • B63B2207/04 - Pressure equalising or adjusting

• US Classifications

  • 441 - Buoys, rafts, and aquatic devices
  • 116 - Signals and indicators