3831728

Information

• Patent Grant
• 3831728

• References
• Source

• Patent Number

  3,831,728

• Date Filed

  Not available

• Date Issued

  Tuesday, August 27, 1974
  50 years ago

• CPC

  • B41J29/18 - Mechanisms for rendering the print visible to the operator
  • B41J19/202 - Drive control means for carriage movement
  • B41J21/18 - characterised by application of scales or indicators

• US Classifications

  • 400 - Typewriting machines
  • 347 - Incremental printing of symbolic information