3780349

Information

• Patent Grant
• 3780349

• References
• Source

• Patent Number

  3,780,349

• Date Filed

  Not available

• Date Issued

  Tuesday, December 18, 1973
  51 years ago

• CPC

  • H01H33/423 - making use of an electromagnetic wave communication
  • H01H33/285 - using electro-dynamic repulsion
  • H02H1/0069 - by means of light or heat rays
  • H02H1/063 - primary power being supplied by fault current

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 200 - Electricity: circuit makers and breakers