2609521

Information

• Patent Grant
• 2609521

• References
• Source

• Patent Number

  2,609,521

• Date Filed

  Not available

• Date Issued

  Tuesday, September 2, 1952
  72 years ago

• CPC

  • H01J25/12 - with pencil-like electron stream in the axis of the resonators
  • H03B9/02 - using a retarding-field tube

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 313 - Electric lamp and discharge devices