3809220

Information

• Patent Grant
• 3809220

• References
• Source

• Patent Number

  3,809,220

• Date Filed

  Not available

• Date Issued

  Tuesday, May 7, 1974
  50 years ago

• CPC

  • B65D75/58 - Opening or contents-removing devices added or incorporated during package manufacture
  • B65D75/5888 - Tear-lines for removing successive sections of a package
  • B65D75/34 - and having several recesses to accommodate a series of articles or quantities of material
  • Y10S206/807 - Tamper proof

• US Classifications

  • 206 - Special receptacle or package
  • 383 - Flexible bags