3780300

Information

• Patent Grant
• 3780300

• References
• Source

• Patent Number

  3,780,300

• Date Filed

  Not available

• Date Issued

  Tuesday, December 18, 1973
  50 years ago

• CPC

  • G02B27/46 - Systems using spatial filters
  • F41G3/2616 - using a light emitting device
  • G02B23/00 - Telescopes

• US Classifications

  • 250 - Radiant energy
  • 359 - Optical: systems and elements