1872122

Information

• Patent Grant
• 1872122

• References
• Source

• Patent Number

  1,872,122

• Date Filed

  Not available

• Date Issued

  Tuesday, August 16, 1932
  92 years ago

• CPC

  • H01H73/42 - reset by rotatable knob or wheel

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets