2931915

Information

• Patent Grant
• 2931915

• References
• Source

• Patent Number

  2,931,915

• Date Filed

  Not available

• Date Issued

  Tuesday, April 5, 1960
  64 years ago

• CPC

  • H03F17/00 - Amplifiers using electroluminescent element or photocell
  • H05B33/12 - Light sources with substantially two-dimensional radiating surfaces

• US Classifications

  • 250 - Radiant energy
  • 313 - Electric lamp and discharge devices