1928408

Information

• Patent Grant
• 1928408

• References
• Source

• Patent Number

  1,928,408

• Date Filed

  Not available

• Date Issued

  Tuesday, September 26, 1933
  91 years ago

• CPC

  • H01J25/72 - in which a standing wave or a considerable part thereof is produced along an electrode

• US Classifications

  • 333 - Wave transmission lines and networks
  • 174 - Electricity: conductors and insulators
  • 220 - Receptacles
  • 313 - Electric lamp and discharge devices
  • 315 - Electric lamp and discharge devices: systems
  • 439 - Electrical connectors