3204342

Information

• Patent Grant
• 3204342

• References
• Source

• Patent Number

  3,204,342

• Date Filed

  Not available

• Date Issued

  Tuesday, September 7, 1965
  59 years ago

• CPC

  • F41G9/025 - Training or teaching apparatus therefor

• US Classifications

  • 434 - Education and demonstration
  • 359 - Optical: systems and elements