2813219

Information

• Patent Grant
• 2813219

• References
• Source

• Patent Number

  2,813,219

• Date Filed

  Not available

• Date Issued

  Tuesday, November 12, 1957
  67 years ago

• CPC

  • H01J5/44 - Annular seals disposed between the ends of the vessel

• US Classifications

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