3572576

Information

• Patent Grant
• 3572576

• References
• Source

• Patent Number

  3,572,576

• Date Filed

  Not available

• Date Issued

  Tuesday, March 30, 1971
  54 years ago

• CPC

  • B65D5/241 - and the gussets folds connected to the inside of the container body
  • B65D5/2052 - characterised by integral closure-flaps
  • B65D5/5455 - the lines of weakness being provided in a closure hinged to an edge of the container body
  • B65D2301/10 - Blanks mutually positioned to minimise waste material upon cutting out the individual blank from a continuous or large sheet
  • Y10S229/905 - Frozen food
  • Y10S229/936 - Three or more blanks with alternating orientations

• US Classifications

  • 229 - Envelopes, wrappers, and paperboard boxes