3627940

Information

• Patent Grant
• 3627940

• References
• Source

• Patent Number

  3,627,940

• Date Filed

  Not available

• Date Issued

  Tuesday, December 14, 1971
  53 years ago

• CPC

  • H01H33/32 - pneumatic
  • H01H3/40 - using friction, toothed, or screw-and-nut gearing
  • H01H9/16 - Indicators for switching condition
  • H01H31/32 - with rectilinearly-movable contact
  • H01H33/46 - Interlocking mechanisms

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 218 - High-voltage switches with arc preventing or extinguishing devices