3004353

Information

• Patent Grant
• 3004353

• References
• Source

• Patent Number

  3,004,353

• Date Filed

  Not available

• Date Issued

  Tuesday, October 17, 1961
  63 years ago

• CPC

  • A63H33/3083 - Printing machinery

• US Classifications

  • 434 - Education and demonstration
  • D18 - Printing and office machinery
  • D19 - Office supplies