1930359

Information

• Patent Grant
• 1930359

• References
• Source

• Patent Number

  1,930,359

• Date Filed

  Not available

• Date Issued

  Tuesday, October 10, 1933
  91 years ago

• CPC

  • G02B6/0071 - with elongated shape
  • G09F2013/1836 - using a frame-like light source
  • Y10S362/812 - Signs

• US Classifications

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