3420944

Information

• Patent Grant
• 3420944

• References
• Source

• Patent Number

  3,420,944

• Date Filed

  Not available

• Date Issued

  Tuesday, January 7, 1969
  56 years ago

• CPC

  • H01J5/38 - Pinched-stem or analogous seals

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 174 - Electricity: conductors and insulators