3757688

Information

• Patent Grant
• 3757688

• References
• Source

• Patent Number

  3,757,688

• Date Filed

  Not available

• Date Issued

  Tuesday, September 11, 1973
  51 years ago

• CPC

  • B41K3/58 - using ink ribbons, ink sheets, or carbon tape or paper
  • B41K3/08 - having adjustable type-carrying wheels

• US Classifications

  • 101 - Printing
  • D18 - Printing and office machinery