3668511

Information

• Patent Grant
• 3668511

• References
• Source

• Patent Number

  3,668,511

• Date Filed

  Not available

• Date Issued

  Tuesday, June 6, 1972
  52 years ago

• CPC

  • H02H7/055 - for tapped transformers or tap-changing means thereof
  • H01F29/02 - with tappings on coil or winding with provision for rearrangement or interconnection of windings
  • H01H9/0005 - Tap change devices
  • Y10T307/858 - Voltage

• US Classifications

  • 323 - Electricity: power supply or regulation systems
  • 307 - Electrical transmission or interconnection systems