3693123

Information

• Patent Grant
• 3693123

• References
• Source

• Patent Number

  3,693,123

• Date Filed

  Not available

• Date Issued

  Tuesday, September 19, 1972
  52 years ago

• CPC

  • H01H36/004 - push-button-operated
  • G06C7/02 - Keyboards
  • G06C7/04 - Interlocking devices
  • H01H13/70 - having a plurality of operating members associated with different sets of contacts

• US Classifications

  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets
  • 235 - Registers
  • 341 - Coded data generation or conversion
  • 400 - Typewriting machines