2828438

Information

• Patent Grant
• 2828438

• References
• Source

• Patent Number

  2,828,438

• Date Filed

  Not available

• Date Issued

  Tuesday, March 25, 1958
  66 years ago

• CPC

  • H01J19/44 - Insulation between electrodes or supports within the vacuum space

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 315 - Electric lamp and discharge devices: systems