3861510

Information

• Patent Grant
• 3861510

• References
• Source

• Patent Number

  3,861,510

• Date Filed

  Not available

• Date Issued

  Tuesday, January 21, 1975
  50 years ago

• CPC

  • B41J19/20 - Positive-feed character-spacing mechanisms
  • B41J19/70 - power driven

• US Classifications

  • 400 - Typewriting machines
  • 384 - Bearings