2642172

Information

• Patent Grant
• 2642172

• References
• Source

• Patent Number

  2,642,172

• Date Filed

  Not available

• Date Issued

  Tuesday, June 16, 1953
  71 years ago

• CPC

  • B41J11/60 - Erasing or correcting tables

• US Classifications

  • 400 - Typewriting machines
  • 346 - Recorders