3037923

Information

• Patent Grant
• 3037923

• References
• Source

• Patent Number

  3,037,923

• Date Filed

  Not available

• Date Issued

  Tuesday, June 5, 1962
  63 years ago

• CPC

  • H01J19/00 - Details of vacuum tubes of the types covered by group H01J21/00
  • H01J2893/0023 - carbonising and other surface treatments

• US Classifications

  • 204 - Chemistry: electrical and wave energy