1700890

Information

• Patent Grant
• 1700890

• References
• Source

• Patent Number

  1,700,890

• Date Filed

  Not available

• Date Issued

  Tuesday, February 5, 1929
  96 years ago

• CPC

  • H01H71/2436 - with a holding and a releasing magnet, the holding force being limited due to saturation of the holding magnet
  • H01H50/46 - Short-circuited conducting sleeves, bands, or discs

• US Classifications

  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets