3670228

Information

• Patent Grant
• 3670228

• References
• Source

• Patent Number

  3,670,228

• Date Filed

  Not available

• Date Issued

  Tuesday, June 13, 1972
  52 years ago

• CPC

  • G05D3/203 - using fine or coarse devices
  • B41J7/32 - Type-face selected by operation of sliding members
  • G05B19/293 - with speed feedback only

• US Classifications

  • 318 - Electricity: motive power systems
  • 400 - Typewriting machines