3376421

Information

• Patent Grant
• 3376421

• References
• Source

• Patent Number

  3,376,421

• Date Filed

  Not available

• Date Issued

  Tuesday, April 2, 1968
  56 years ago

• CPC

  • H01S3/2308 - Amplifier arrangements
  • F21K2/005 - excited by infra-red radiation using up-conversion
  • G02F2/02 - Frequency-changing of light

• US Classifications

  • 250 - Radiant energy
  • 385 - Optical waveguides