2581876

Information

• Patent Grant
• 2581876

• References
• Source

• Patent Number

  2,581,876

• Date Filed

  Not available

• Date Issued

  Tuesday, January 8, 1952
  73 years ago

• CPC

  • H01J19/38 - Control electrodes
  • H01J2893/0015 - Non-sealed electrodes
  • Y10T29/49117 - Conductor or circuit manufacturing
  • Y10T29/496 - Multiperforated metal article making

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 029 - Metal working