3638068

Information

• Patent Grant
• 3638068

• References
• Source

• Patent Number

  3,638,068

• Date Filed

  Not available

• Date Issued

  Tuesday, January 25, 1972
  53 years ago

• CPC

  • H01K1/64 - with built-in switch
  • B60Q1/2603 - Attenuation of the light according to ambient luminiosity

• US Classifications

  • 315 - Electric lamp and discharge devices: systems