3671688

Information

• Patent Grant
• 3671688

• References
• Source

• Patent Number

  3,671,688

• Date Filed

  Not available

• Date Issued

  Tuesday, June 20, 1972
  52 years ago

• CPC

  • G02B6/442 - Insulators
  • H01B17/005 - Insulators structurally associated with built-in electrical equipment
  • H01H33/423 - making use of an electromagnetic wave communication
  • Y10T307/931 - Polarity reversing

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 218 - High-voltage switches with arc preventing or extinguishing devices
  • 307 - Electrical transmission or interconnection systems
  • 361 - Electricity: electrical systems and devices