3790998

Information

• Patent Grant
• 3790998

• References
• Source

• Patent Number

  3,790,998

• Date Filed

  Not available

• Date Issued

  Tuesday, February 12, 1974
  50 years ago

• CPC

  • H01K3/305 - Testing of incandescent lamps

• US Classifications

  • 445 - Electric lamp or space discharge component or device manufacturing
  • 313 - Electric lamp and discharge devices
  • 315 - Electric lamp and discharge devices: systems