3555476

Information

• Patent Grant
• 3555476

• References
• Source

• Patent Number

  3,555,476

• Date Filed

  Not available

• Date Issued

  Tuesday, January 12, 1971
  53 years ago

• CPC

  • H01F38/38 - for polyphase ac
  • G01R27/18 - Measuring resistance to earth
  • H01F27/365 - Magnetic shields or screens
  • H01F38/30 - Constructions
  • H01F2038/305 - with toroidal magnetic core
  • H01H83/144 - with differential transformer
  • H01H2083/146 - Provisions for avoiding disadvantages of having asymetrical primaries

• US Classifications

  • 336 - Inductor devices