3475643

Information

• Patent Grant
• 3475643

• References
• Source

• Patent Number

  3,475,643

• Date Filed

  Not available

• Date Issued

  Tuesday, October 28, 1969
  55 years ago

• CPC

  • H01J23/27 - Helix-derived slow-wave structures
  • H01J23/26 - Helical slow-wave structures Adjustment therefor
  • Y10T29/49016 - Antenna or wave energy "plumbing" making

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 029 - Metal working