3180474

Information

• Patent Grant
• 3180474

• References
• Source

• Patent Number

  3,180,474

• Date Filed

  Not available

• Date Issued

  Tuesday, April 27, 1965
  60 years ago

• CPC

  • B41J29/367 - sheet media carrying a pigmented transferable correction layer

• US Classifications

  • 400 - Typewriting machines