3330993

Information

• Patent Grant
• 3330993

• References
• Source

• Patent Number

  3,330,993

• Date Filed

  Not available

• Date Issued

  Tuesday, July 11, 1967
  57 years ago

• CPC

  • H02M1/32 - Means for protecting converters other than automatic disconnection
  • H02H7/20 - for electronic equipment
  • H02M1/02 - Circuits specially adapted for the generation of grid-control or igniter-control voltages for discharge tubes incorporated in static converters
  • C02F1/32 - with ultra-violet light

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 219 - Electric heating