3509344

Information

• Patent Grant
• 3509344

• References
• Source

• Patent Number

  3,509,344

• Date Filed

  Not available

• Date Issued

  Tuesday, April 28, 1970
  54 years ago

• CPC

  • G02B23/12 - with means for image conversion or intensification
  • H01J31/50 - Image-conversion or image-amplification tubes
  • H01J2231/50026 - Infra-red

• US Classifications

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