2752509

Information

• Patent Grant
• 2752509

• References
• Source

• Patent Number

  2,752,509

• Date Filed

  Not available

• Date Issued

  Tuesday, June 26, 1956
  68 years ago

• CPC

  • H05G1/40 - using adjustable time-switch

• US Classifications

  • 378 - X-ray or gamma ray systems or devices
  • 315 - Electric lamp and discharge devices: systems