3831730

Information

• Patent Grant
• 3831730

• References
• Source

• Patent Number

  3,831,730

• Date Filed

  Not available

• Date Issued

  Tuesday, August 27, 1974
  50 years ago

• CPC

  • B41J5/26 - Regulating touch, key dip or stroke, or the like

• US Classifications

  • 400 - Typewriting machines
  • 178 - Telegraphy