3893008

Information

• Patent Grant
• 3893008

• References
• Source

• Patent Number

  3,893,008

• Date Filed

  Not available

• Date Issued

  Tuesday, July 1, 1975
  49 years ago

• CPC

  • H02H3/302 - involving phase comparison
  • H02H7/261 - involving signal transmission between at least two stations

• US Classifications

  • 361 - Electricity: electrical systems and devices