3120301

Information

• Patent Grant
• 3120301

• References
• Source

• Patent Number

  3,120,301

• Date Filed

  Not available

• Date Issued

  Tuesday, February 4, 1964
  60 years ago

• CPC

  • B41J21/16 - controlled by the sensing of marks or formations on the paper being typed, and undersheet, or the platen

• US Classifications

  • 400 - Typewriting machines
  • 200 - Electricity: circuit makers and breakers