2690288

Information

• Patent Grant
• 2690288

• References
• Source

• Patent Number

  2,690,288

• Date Filed

  Not available

• Date Issued

  Tuesday, September 28, 1954
  70 years ago

• CPC

  • B65D3/262 - forming a circumferential line of weakness
  • B65D5/16 - the tubular body being formed with an aperture or removable portion arranged to allow removal or insertion of contents through one or more sides
  • B65D15/22 - of polygonal cross-section

• US Classifications

  • 229 - Envelopes, wrappers, and paperboard boxes