3702980

Information

• Patent Grant
• 3702980

• References
• Source

• Patent Number

  3,702,980

• Date Filed

  Not available

• Date Issued

  Tuesday, November 14, 1972
  52 years ago

• CPC

  • H01H71/142 - actuated due to change of magnetic permeability
  • H01H77/08 - retained closed by permanent or remanent magnetism and opened by windings acting in opposition

• US Classifications

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