3810684

Information

• Patent Grant
• 3810684

• References
• Source

• Patent Number

  3,810,684

• Date Filed

  Not available

• Date Issued

  Tuesday, May 14, 1974
  51 years ago

• CPC

  • H01K3/26 - Closing of vessels
  • H01J9/326 - making pinched-stem or analogous seals

• US Classifications

  • 445 - Electric lamp or space discharge component or device manufacturing
  • 065 - Glass manufacturing