2225455

Information

• Patent Grant
• 2225455

• References
• Source

• Patent Number

  2,225,455

• Date Filed

  Not available

• Date Issued

  Tuesday, December 17, 1940
  84 years ago

• CPC

  • H01J29/78 - along a circle, spiral or rotating radial line
  • G01R13/20 - Cathode-ray oscilloscopes; Oscilloscopes using other screens than CRT's

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 315 - Electric lamp and discharge devices: systems
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems