2767278

Information

• Patent Grant
• 2767278

• References
• Source

• Patent Number

  2,767,278

• Date Filed

  Not available

• Date Issued

  Tuesday, October 16, 1956
  68 years ago

• CPC

  • H01H27/06 - Key inserted and then turned to effect operation of the switch
  • H01H21/06 - interlocked with operating mechanism
  • H01H27/00 - Switches operated by a removable member
  • H01H36/00 - Switches actuated by change of magnetic field or of electric field
  • Y10T70/7057 - Permanent magnet
  • Y10T70/7904 - Magnetic features

• US Classifications

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