1872382

Information

• Patent Grant
• 1872382

• References
• Source

• Patent Number

  1,872,382

• Date Filed

  Not available

• Date Issued

  Tuesday, August 16, 1932
  92 years ago

• CPC

  • H01H3/30 - using spring motor
  • H01H3/605 - making use of a fluid damper
  • H01H9/0066 - Auxiliary contact devices
  • H01H71/128 - Manual release or trip mechanisms
  • H01H2003/3036 - using of balls or rollers in the locking device

• US Classifications

  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets
  • 218 - High-voltage switches with arc preventing or extinguishing devices