3356948

Information

• Patent Grant
• 3356948

• References
• Source

• Patent Number

  3,356,948

• Date Filed

  Not available

• Date Issued

  Tuesday, December 5, 1967
  57 years ago

• CPC

  • H01H51/288 - Freely suspended contacts
  • H01H1/16 - by rolling by wrapping Roller or ball contacts
  • H01H1/66 - Contacts sealed in an evacuated or gas-filled envelope
  • H01H9/16 - Indicators for switching condition
  • H01H36/0006 - Permanent magnet actuating reed switches
  • H01H36/0013 - characterised by the co-operation between reed switch and permanent magnet; Magnetic circuits
  • H01H36/008 - Change of magnetic field wherein the magnet and switch are fixed
  • H01H50/60 - moving contact being rigidly combined with movable part of magnetic circuit
  • H01H51/28 - Relays having both armature and contacts within a sealed casing outside which the operating coil is located

• US Classifications

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