3561145

Information

• Patent Grant
• 3561145

• References
• Source

• Patent Number

  3,561,145

• Date Filed

  Not available

• Date Issued

  Tuesday, February 9, 1971
  54 years ago

• CPC

  • G02B6/0026 - Wavelength selective element, sheet or layer
  • G02B6/0046 - Tapered light guide
  • G02B6/0076 - Stacked arrangements of multiple light guides of the same or different cross-sectional area
  • G02B6/0021 - for housing at least a part of the light source
  • G02B6/006 - to produce indicia, symbols, texts or the like
  • G09F2013/1827 - Prismatic window

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 362 - Illumination