3766422

Information

• Patent Grant
• 3766422

• References
• Source

• Patent Number

  3,766,422

• Date Filed

  Not available

• Date Issued

  Tuesday, October 16, 1973
  51 years ago

• CPC

  • H01J19/00 - Details of vacuum tubes of the types covered by group H01J21/00
  • H01J21/18 - having magnetic control means having both magnetic and electro-static control means

• US Classifications

  • 313 - Electric lamp and discharge devices