3419713

Information

• Patent Grant
• 3419713

• References
• Source

• Patent Number

  3,419,713

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1968
  56 years ago

• CPC

  • G02B6/0021 - for housing at least a part of the light source
  • G02B6/0016 - Grooves, prisms, gratings, scattering particles or rough surfaces
  • G08G5/0026 - located on the ground
  • G08G5/025 - Navigation or guidance aids
  • H02B15/02 - with mimic diagrams

• US Classifications

  • 362 - Illumination
  • 313 - Electric lamp and discharge devices
  • 340 - Communications: electrical