3777178

Information

• Patent Grant
• 3777178

• References
• Source

• Patent Number

  3,777,178

• Date Filed

  Not available

• Date Issued

  Tuesday, December 4, 1973
  51 years ago

• CPC

  • H01H33/596 - for interrupting dc
  • H01H33/167 - the impedance being inserted only while opening the switch

• US Classifications

  • 361 - Electricity: electrical systems and devices