1535329

Information

• Patent Grant
• 1535329

• References
• Source

• Patent Number

  1,535,329

• Date Filed

  Not available

• Date Issued

  Tuesday, April 28, 1925
  99 years ago

• CPC

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

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 313 - Electric lamp and discharge devices
  • 324 - Electricity: measuring and testing