3603983

Information

• Patent Grant
• 3603983

• References
• Source

• Patent Number

  3,603,983

• Date Filed

  Not available

• Date Issued

  Tuesday, September 7, 1971
  53 years ago

• CPC

  • H03K17/967 - having a plurality of control members
  • F15C1/001 - for punched-card machines ; for typewriters ; for keyboards; for conveying cards or tape; for conveying through tubes ; for computers ; for dc-ac transducers for information processing ; for signal transmission
  • G06C7/02 - Keyboards
  • H01H3/24 - using pneumatic or hydraulic actuator

• US Classifications

  • 341 - Coded data generation or conversion
  • 178 - Telegraphy
  • 200 - Electricity: circuit makers and breakers
  • 235 - Registers