3578129

Information

• Patent Grant
• 3578129

• References
• Source

• Patent Number

  3,578,129

• Date Filed

  Not available

• Date Issued

  Tuesday, May 11, 1971
  53 years ago

• CPC

  • B41J19/74 - with special means to maintain character-spacing or back- spacing elements in engagement during case-shift or like movement
  • B41J19/20 - Positive-feed character-spacing mechanisms

• US Classifications

  • 400 - Typewriting machines