3499240

Information

• Patent Grant
• 3499240

• References
• Source

• Patent Number

  3,499,240

• Date Filed

  Not available

• Date Issued

  Tuesday, March 10, 1970
  54 years ago

• CPC

  • G09F13/42 - with light sources activated by non-visible radiation
  • G09F19/205 - Special effects using different wavelengths

• US Classifications

  • 040 - Card, picture, or sign exhibiting