3339293

Information

• Patent Grant
• 3339293

• References
• Source

• Patent Number

  3,339,293

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1967
  57 years ago

• CPC

  • F41G3/2616 - using a light emitting device

• US Classifications

  • 434 - Education and demonstration
  • 250 - Radiant energy
  • 273 - Amusement devices: games