3258640

Information

• Patent Grant
• 3258640

• References
• Source

• Patent Number

  3,258,640

• Date Filed

  Not available

• Date Issued

  Tuesday, June 28, 1966
  59 years ago

• CPC

  • H01J23/42 - the interaction circuit being a helix or a helix-derived slow-wave structure
  • H01J23/24 - Slow-wave structures
  • H01J25/38 - the forward travelling wave being utilised

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 313 - Electric lamp and discharge devices
  • 330 - Amplifiers
  • 333 - Wave transmission lines and networks