3902094

Information

• Patent Grant
• 3902094

• References
• Source

• Patent Number

  3,902,094

• Date Filed

  Not available

• Date Issued

  Tuesday, August 26, 1975
  49 years ago

• CPC

  • H01J23/00 - Details of transit-time tubes of the types covered by group H01J25/00
  • 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

• US Classifications

  • 313 - Electric lamp and discharge devices