3601689

Information

• Patent Grant
• 3601689

• References
• Source

• Patent Number

  3,601,689

• Date Filed

  Not available

• Date Issued

  Tuesday, August 24, 1971
  53 years ago

• CPC

  • H02H11/007 - involving automatic switching for adapting the protected apparatus to the supply voltage
  • H02H6/00 - Emergency protective circuit arrangements responsive to undesired changes from normal non-electric working conditions using simulators of the apparatus being protected

• US Classifications

  • 323 - Electricity: power supply or regulation systems