1548342

Information

• Patent Grant
• 1548342

• References
• Source

• Patent Number

  1,548,342

• Date Filed

  Not available

• Date Issued

  Tuesday, August 4, 1925
  100 years ago

• CPC

  • B41J25/20 - Auxiliary type mechanisms for printing distinguishing marks
  • Y10S400/904 - Subscript or superscript character

• US Classifications

  • 400 - Typewriting machines