2820570

Information

• Patent Grant
• 2820570

• References
• Source

• Patent Number

  2,820,570

• Date Filed

  Not available

• Date Issued

  Tuesday, January 21, 1958
  66 years ago

• CPC

  • B65D71/0022 - formed by folding or erecting one blank, and provided with vertical partitions
  • B65D2571/00141 - glued
  • B65D2571/00388 - Two rows of more than two cells
  • B65D2571/00487 - and formed integrally with a partition
  • B65D2571/00524 - integral
  • B65D2571/0066 - formed from one single sheet
  • B65D2571/0079 - U-shaped
  • B65D2571/00876 - Frangible bridges left into cut lines for facilitating folding operations
  • B65D2571/00956 - engaging the bottom wall

• US Classifications

  • 206 - Special receptacle or package
  • 493 - Manufacturing container or tube from paper