2223308

Information

• Patent Grant
• 2223308

• References
• Source

• Patent Number

  2,223,308

• Date Filed

  Not available

• Date Issued

  Tuesday, November 26, 1940
  84 years ago

• CPC

  • G02B6/0091 - of the light source relative to the light guide
  • G09F1/14 - in the form of legs
  • G02B6/0071 - with elongated shape
  • G09F2013/1877 - Stand-like

• US Classifications

  • 040 - Card, picture, or sign exhibiting