3570646

Information

• Patent Grant
• 3570646

• References
• Source

• Patent Number

  3,570,646

• Date Filed

  Not available

• Date Issued

  Tuesday, March 16, 1971
  53 years ago

• CPC

  • B41J1/12 - on side surfaces thereof

• US Classifications

  • 400 - Typewriting machines
  • 101 - Printing