3868540

Information

• Patent Grant
• 3868540

• References
• Source

• Patent Number

  3,868,540

• Date Filed

  Not available

• Date Issued

  Tuesday, February 25, 1975
  50 years ago

• CPC

  • H01K1/64 - with built-in switch

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems