2151765

Information

• Patent Grant
• 2151765

• References
• Source

• Patent Number

  2,151,765

• Date Filed

  Not available

• Date Issued

  Tuesday, March 28, 1939
  85 years ago

• CPC

  • H01J25/00 - Transit-time tubes
  • H03B9/01 - using discharge tubes
  • H03B9/02 - using a retarding-field tube
  • H03B13/00 - Generation of oscillations using deflection of electron beam in a cathode-ray tube

• US Classifications

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