3679474

Information

• Patent Grant
• 3679474

• References
• Source

• Patent Number

  3,679,474

• Date Filed

  Not available

• Date Issued

  Tuesday, July 25, 1972
  51 years ago

• CPC

  • H01H33/6646 - having non flat disc-like contact surface
  • G01P5/07 - with electrical coupling to the indicating device
  • H01H33/20 - using arcing horns

• US Classifications

  • 313 - Electric lamp and discharge devices