3508108

Information

• Patent Grant
• 3508108

• References
• Source

• Patent Number

  3,508,108

• Date Filed

  Not available

• Date Issued

  Tuesday, April 21, 1970
  54 years ago

• CPC

  • H01J23/27 - Helix-derived slow-wave structures
  • Y10T29/496 - Multiperforated metal article making

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 029 - Metal working
  • 216 - Etching a substrate: processes
  • 333 - Wave transmission lines and networks