3825470

Information

• Patent Grant
• 3825470

• References
• Source

• Patent Number

  3,825,470

• Date Filed

  Not available

• Date Issued

  Tuesday, July 23, 1974
  50 years ago

• CPC

  • B41M5/10 - by using carbon paper or the like
  • B41J29/373 - sheet media bearing an adhesive layer effective to lift off wrongly typed characters
  • Y10T428/31725 - Of polyamide
  • Y10T428/31844 - Of natural gum, rosin, natural oil or lac
  • Y10T428/31938 - Polymer of monoethylenically unsaturated hydrocarbon

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 400 - Typewriting machines
  • 427 - Coating processes