3646490

Information

• Patent Grant
• 3646490

• References
• Source

• Patent Number

  3,646,490

• Date Filed

  Not available

• Date Issued

  Tuesday, February 29, 1972
  52 years ago

• CPC

  • H01H51/284 - Polarised relays
  • H01H1/08 - wetted with mercury
  • H01H36/00 - Switches actuated by change of magnetic field or of electric field
  • H01H51/28 - Relays having both armature and contacts within a sealed casing outside which the operating coil is located
  • H01H51/285 - for latching of contacts

• US Classifications

  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets
  • 200 - Electricity: circuit makers and breakers