3387167

Information

• Patent Grant
• 3387167

• References
• Source

• Patent Number

  3,387,167

• Date Filed

  Not available

• Date Issued

  Tuesday, June 4, 1968
  56 years ago

• CPC

  • H01J23/087 - Magnetic focusing arrangements
  • H01J23/00 - Details of transit-time tubes of the types covered by group H01J25/00
  • H01J25/40 - the backward travelling wave being utilised

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets