3274428

Information

• Patent Grant
• 3274428

• References
• Source

• Patent Number

  3,274,428

• Date Filed

  Not available

• Date Issued

  Tuesday, September 20, 1966
  58 years ago

• CPC

  • H01J23/24 - Slow-wave structures
  • H01J25/40 - the backward travelling wave being utilised

• US Classifications

  • 315 - Electric lamp and discharge devices: systems