3725908

Information

• Patent Grant
• 3725908

• References
• Source

• Patent Number

  3,725,908

• Date Filed

  Not available

• Date Issued

  Tuesday, April 3, 1973
  52 years ago

• CPC

  • H04L13/16 - of transmitters
  • B41J5/08 - Character or syllable selected by means of keys or keyboards of the typewriter type
  • B41J5/14 - Construction of key levers
  • H03K17/964 - Piezo-electric touch switches
  • H03K17/967 - having a plurality of control members

• US Classifications

  • 341 - Coded data generation or conversion
  • 200 - Electricity: circuit makers and breakers
  • 310 - Electrical generator or motor structure
  • 400 - Typewriting machines