3523347

Information

• Patent Grant
• 3523347

• References
• Source

• Patent Number

  3,523,347

• Date Filed

  Not available

• Date Issued

  Tuesday, August 11, 1970
  54 years ago

• CPC

  • H01J19/00 - Details of vacuum tubes of the types covered by group H01J21/00
  • H01J19/38 - Control electrodes
  • H01J2893/0015 - Non-sealed electrodes
  • H01J2893/0022 - Manufacture
  • Y10T29/4981 - Utilizing transitory attached element or associated separate material

• US Classifications

  • 445 - Electric lamp or space discharge component or device manufacturing
  • 029 - Metal working