841386

Information

• Patent Grant
• 841386

• References
• Source

• Patent Number

  841,386

• Date Filed

  Not available

• Date Issued

  Tuesday, January 15, 1907
  119 years ago

• CPC

  • H03D1/16 - of discharge tubes
  • H01J19/02 - Electron-emitting electrodes Cathodes
  • H01J21/08 - with movable electrode or electrodes
  • H01J21/16 - with external electrostatic control means and with or without internal control electrodes
  • H01J21/18 - having magnetic control means having both magnetic and electro-static control means
  • H01J2893/0001 - Electrodes and electrode systems suitable for discharge tubes or lamps

• US Classifications

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