2722762

Information

• Patent Grant
• 2722762

• References
• Source

• Patent Number

  2,722,762

• Date Filed

  Not available

• Date Issued

  Tuesday, November 8, 1955
  69 years ago

• CPC

  • G02B6/0031 - Reflecting element, sheet or layer
  • A63H33/22 - Optical, colour, or shadow toys
  • G02B6/0033 - Means for improving the coupling-out of light from the light guide
  • G02B6/0068 - Arrangements of plural sources
  • G02B6/0091 - of the light source relative to the light guide
  • G09F2013/1877 - Stand-like

• US Classifications

  • 040 - Card, picture, or sign exhibiting