2130871

Information

• Patent Grant
• 2130871

• References
• Source

• Patent Number

  2,130,871

• Date Filed

  Not available

• Date Issued

  Tuesday, September 20, 1938
  86 years ago

• CPC

  • H01H71/32 - having permanently magnetised part
  • H01H71/2436 - with a holding and a releasing magnet, the holding force being limited due to saturation of the holding magnet
  • H01H71/2454 - characterised by the magnetic circuit or active magnetic elements

• US Classifications

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