2003371

Information

• Patent Grant
• 2003371

• References
• Source

• Patent Number

  2,003,371

• Date Filed

  Not available

• Date Issued

  Tuesday, June 4, 1935
  89 years ago

• CPC

  • H01J21/16 - with external electrostatic control means and with or without internal control electrodes

• US Classifications

  • 331 - Oscillators
  • 313 - Electric lamp and discharge devices