1720263

Information

• Patent Grant
• 1720263

• References
• Source

• Patent Number

  1,720,263

• Date Filed

  Not available

• Date Issued

  Tuesday, July 9, 1929
  95 years ago

• CPC

  • H01H73/42 - reset by rotatable knob or wheel

• US Classifications

  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets
  • 200 - Electricity: circuit makers and breakers