3858089

Information

• Patent Grant
• 3858089

• References
• Source

• Patent Number

  3,858,089

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1974
  50 years ago

• CPC

  • H02H3/023 - by short-circuiting
  • H02H9/04 - responsive to excess voltage
  • H01H71/2445 - using a reed switch

• US Classifications

  • 361 - Electricity: electrical systems and devices