3666986

Information

• Patent Grant
• 3666986

• References
• Source

• Patent Number

  3,666,986

• Date Filed

  Not available

• Date Issued

  Tuesday, May 30, 1972
  52 years ago

• CPC

  • H01J61/96 - Lamps with light-emitting discharge path and separately-heated incandescent body within a common envelope
  • H01J61/56 - One or more circuit elements structurally associated with the lamp

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 313 - Electric lamp and discharge devices