2869423

Information

• Patent Grant
• 2869423

• References
• Source

• Patent Number

  2,869,423

• Date Filed

  Not available

• Date Issued

  Tuesday, January 20, 1959
  66 years ago

• CPC

  • G02B17/0626 - using three curved mirrors

• US Classifications

  • 359 - Optical: systems and elements
  • 353 - Optics: image projectors