2668909

Information

• Patent Grant
• 2668909

• References
• Source

• Patent Number

  2,668,909

• Date Filed

  Not available

• Date Issued

  Tuesday, February 9, 1954
  71 years ago

• CPC

  • H05G1/40 - using adjustable time-switch

• US Classifications

  • 378 - X-ray or gamma ray systems or devices
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 361 - Electricity: electrical systems and devices