3828909

Information

• Patent Grant
• 3828909

• References
• Source

• Patent Number

  3,828,909

• Date Filed

  Not available

• Date Issued

  Tuesday, August 13, 1974
  50 years ago

• CPC

  • B41J5/08 - Character or syllable selected by means of keys or keyboards of the typewriter type
  • B41J7/30 - Preventing rebound or clash of levers or type members
  • B41J25/02 - Key actions for specified purposes

• US Classifications

  • 400 - Typewriting machines