3735243

Information

• Patent Grant
• 3735243

• References
• Source

• Patent Number

  3,735,243

• Date Filed

  Not available

• Date Issued

  Tuesday, May 22, 1973
  52 years ago

• CPC

  • H01H9/0038 - making use of vacuum switches
  • G05F1/153 - controlled by discharge tubes or semiconductor devices
  • H01F29/04 - having provision for tap-changing without interrupting the load current
  • H01H2009/0061 - Monitoring tap change switching devices

• US Classifications

  • 323 - Electricity: power supply or regulation systems