1789462

Information

• Patent Grant
• 1789462

• References
• Source

• Patent Number

  1,789,462

• Date Filed

  Not available

• Date Issued

  Tuesday, January 20, 1931
  94 years ago

• CPC

  • H01H89/02 - Combination of a key operated switch with a manually operated switch

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 048 - Gas: heating and illuminating
  • 200 - Electricity: circuit makers and breakers
  • 336 - Inductor devices