3750062

Information

• Patent Grant
• 3750062

• References
• Source

• Patent Number

  3,750,062

• Date Filed

  Not available

• Date Issued

  Tuesday, July 31, 1973
  51 years ago

• CPC

  • H01H36/0066 - magnet being removable
  • G04C3/004 - Magnetically controlled
  • G06C7/02 - Keyboards
  • G06C11/02 - with visual indication
  • G06F3/02 - Input arrangements using manually operated switches
  • G06F3/0202 - Constructional details or processes of manufacture of the input device
  • G09G3/18 - using liquid crystals

• US Classifications

  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets
  • 341 - Coded data generation or conversion
  • 968 - Horology