1246638

Information

• Patent Grant
• 1246638

• References
• Source

• Patent Number

  1,246,638

• Date Filed

  Not available

• Date Issued

  Tuesday, November 13, 1917
  108 years ago

• CPC

  • B41J19/76 - Line-spacing mechanisms
  • Y10S400/904 - Subscript or superscript character

• US Classifications

  • 400 - Typewriting machines