3576557

Information

• Patent Grant
• 3576557

• References
• Source

• Patent Number

  3,576,557

• Date Filed

  Not available

• Date Issued

  Tuesday, April 27, 1971
  53 years ago

• CPC

  • B63B51/02 - with anchored light-ships by use of lighthouses

• US Classifications

  • 340 - Communications: electrical
  • D10 - Measuring, testing, or signalling instruments