2154568

Information

• Patent Grant
• 2154568

• References
• Source

• Patent Number

  2,154,568

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1939
  86 years ago

• CPC

  • B41J19/76 - Line-spacing mechanisms
  • Y10T74/1555 - Rotary driven element

• US Classifications

  • 400 - Typewriting machines
  • 074 - Machine element or mechanism