1688754

Information

• Patent Grant
• 1688754

• References
• Source

• Patent Number

  1,688,754

• Date Filed

  Not available

• Date Issued

  Tuesday, October 23, 1928
  95 years ago

• CPC

  • H01H73/42 - reset by rotatable knob or wheel

• US Classifications

  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets