3329981

Information

• Patent Grant
• 3329981

• References
• Source

• Patent Number

  3,329,981

• Date Filed

  Not available

• Date Issued

  Tuesday, July 11, 1967
  57 years ago

• CPC

  • F21S9/037 - the solar unit and the lighting unit being located within or on the same housing
  • B63B51/04 - with free-floating flares
  • F21V31/00 - Gas-tight or water-tight arrangements
  • G08B5/36 - using visible light sources
  • F21W2111/04 - for waterways
  • F21W2111/047 - for light-buoys

• US Classifications

  • 441 - Buoys, rafts, and aquatic devices
  • 340 - Communications: electrical