3355982

Information

• Patent Grant
• 3355982

• References
• Source

• Patent Number

  3,355,982

• Date Filed

  Not available

• Date Issued

  Tuesday, December 5, 1967
  57 years ago

• CPC

  • H01J61/42 - by transforming the wavelength of the light by luminescence
  • F21S2/00 - Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00
  • F21V9/02 - for simulating daylight
  • H01J61/96 - Lamps with light-emitting discharge path and separately-heated incandescent body within a common envelope

• US Classifications

  • 356 - Optics: measuring and testing
  • 315 - Electric lamp and discharge devices: systems
  • 362 - Illumination