3809310

Information

• Patent Grant
• 3809310

• References
• Source

• Patent Number

  3,809,310

• Date Filed

  Not available

• Date Issued

  Tuesday, May 7, 1974
  50 years ago

• CPC

  • B65D5/0227 - with end closures formed by inward folding of flaps and securing them by heat-sealing, adhesive applied to the flaps or staples
  • B65D5/008 - the container body having a pyramidal shape
  • B65D5/02 - by folding or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body
  • Y10S229/902 - Box for prepared or processed food
  • Y10S229/911 - with closure

• US Classifications

  • 229 - Envelopes, wrappers, and paperboard boxes