3448287

Information

• Patent Grant
• 3448287

• References
• Source

• Patent Number

  3,448,287

• Date Filed

  Not available

• Date Issued

  Tuesday, June 3, 1969
  55 years ago

• CPC

  • H01H33/168 - the impedance being inserted both while closing and while opening the switch
  • H01H9/40 - Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc
  • H01H9/42 - Impedances connected with contacts

• US Classifications

  • 361 - Electricity: electrical systems and devices