3808568

Information

• Patent Grant
• 3808568

• References
• Source

• Patent Number

  3,808,568

• Date Filed

  Not available

• Date Issued

  Tuesday, April 30, 1974
  50 years ago

• CPC

  • H01J29/764 - using toroidal windings

• US Classifications

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