3716898

Information

• Patent Grant
• 3716898

• References
• Source

• Patent Number

  3,716,898

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1973
  51 years ago

• CPC

  • H01J5/38 - Pinched-stem or analogous seals
  • H01J9/326 - making pinched-stem or analogous seals

• US Classifications

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