2137082

Information

• Patent Grant
• 2137082

• References
• Source

• Patent Number

  2,137,082

• Date Filed

  Not available

• Date Issued

  Tuesday, November 15, 1938
  86 years ago

• CPC

  • H01H31/003 - Earthing switches
  • H01H3/40 - using friction, toothed, or screw-and-nut gearing
  • H01H31/10 - for interlocking two or more switches
  • H01H31/32 - with rectilinearly-movable contact
  • H01H33/022 - particular to three-phase circuit breakers

• US Classifications

  • 200 - Electricity: circuit makers and breakers