2795069

Information

• Patent Grant
• 2795069

• References
• Source

• Patent Number

  2,795,069

• Date Filed

  Not available

• Date Issued

  Tuesday, June 11, 1957
  67 years ago

• CPC

  • G02B6/0021 - for housing at least a part of the light source
  • G02B6/0033 - Means for improving the coupling-out of light from the light guide
  • G09F2013/1863 - Layer with different refractive index

• US Classifications

  • 040 - Card, picture, or sign exhibiting