2153190

Information

• Patent Grant
• 2153190

• References
• Source

• Patent Number

  2,153,190

• Date Filed

  Not available

• Date Issued

  Tuesday, April 4, 1939
  85 years ago

• CPC

  • H01J25/66 - Tubes with electron stream crossing itself and thereby interacting or interfering with itself

• US Classifications

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