3497981

Information

• Patent Grant
• 3497981

• References
• Source

• Patent Number

  3,497,981

• Date Filed

  Not available

• Date Issued

  Tuesday, March 3, 1970
  54 years ago

• CPC

  • G02B6/001 - the light being emitted along at least a portion of the lateral surface of the fibre
  • G02B6/0006 - Coupling light into the fibre
  • G09F13/24 - using tubes or the like filled with liquid
  • G02B6/002 - by shaping at least a portion of the light guide
  • G02B6/0061 - to provide homogeneous light output intensity
  • G09F2013/1877 - Stand-like
  • G09F2013/189 - Three dimensional effects
  • G09F2013/1895 - Imitating a neon tube
  • Y10S362/812 - Signs
  • Y10S385/901 - Illuminating or display apparatus

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 362 - Illumination
  • 385 - Optical waveguides