3740746

Information

• Patent Grant
• 3740746

• References
• Source

• Patent Number

  3,740,746

• Date Filed

  Not available

• Date Issued

  Tuesday, June 19, 1973
  51 years ago

• CPC

  • H04L17/04 - with keyboard co-operating with code-bars
  • G06C7/02 - Keyboards
  • G11C17/02 - using magnetic or induction elements
  • H03K17/972 - having a plurality of control members

• US Classifications

  • 341 - Coded data generation or conversion
  • 178 - Telegraphy
  • 400 - Typewriting machines