3031574

Information

• Patent Grant
• 3031574

• References
• Source

• Patent Number

  3,031,574

• Date Filed

  Not available

• Date Issued

  Tuesday, April 24, 1962
  63 years ago

• CPC

  • F21K2/005 - excited by infra-red radiation using up-conversion
  • H01L31/02322 - comprising luminescent members

• US Classifications

  • 250 - Radiant energy
  • 257 - Active solid-state devices