3722651

Information

• Patent Grant
• 3722651

• References
• Source

• Patent Number

  3,722,651

• Date Filed

  Not available

• Date Issued

  Tuesday, March 27, 1973
  51 years ago

• CPC

  • B41J5/08 - Character or syllable selected by means of keys or keyboards of the typewriter type
  • B41J5/14 - Construction of key levers
  • B41J5/28 - Multiple-action keys
  • H01H13/72 - wherein the switch has means for limiting the number of operating members that can concurrently be in the actuated position

• US Classifications

  • 400 - Typewriting machines