2020952

Information

• Patent Grant
• 2020952

• References
• Source

• Patent Number

  2,020,952

• Date Filed

  Not available

• Date Issued

  Tuesday, November 12, 1935
  90 years ago

• CPC

  • H02H7/1209 - for converters using only discharge tubes
  • H01H47/12 - for biasing the electromagnet

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 315 - Electric lamp and discharge devices: systems
  • 363 - Electric power conversion systems