3442421

Information

• Patent Grant
• 3442421

• References
• Source

• Patent Number

  3,442,421

• Date Filed

  Not available

• Date Issued

  Tuesday, May 6, 1969
  55 years ago

• CPC

  • B65D71/0037 - with additional locating elements for the articles
  • B65D71/004 - with individual openings for holding the articles
  • B65D2571/00141 - glued
  • B65D2571/00358 - Two rows of more than two cells
  • B65D2571/00487 - and formed integrally with a partition
  • B65D2571/0066 - formed from one single sheet
  • B65D2571/00765 - the end walls being retained in closed position by their own rigidity
  • B65D2571/00876 - Frangible bridges left into cut lines for facilitating folding operations

• US Classifications

  • 206 - Special receptacle or package
  • 229 - Envelopes, wrappers, and paperboard boxes