Patent · US Active

Tamper-evident container having release flap and closure tab

US11780641B2 · kind B2 · utility

3Cited by
10References
28Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 26, 2022
Grant dateOct 10, 2023
Priority date
Expiry dateApr 26, 2042

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65D5/6661
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

Unitary blank for forming a container having a body portion with a plurality of fold lines and a cover portion. The body portion with a plurality of fold lines define a plurality of body wall portions, and each body wall portion has an upper edge. A first body wall portion includes a closure tab extending from the upper edge of the first body wall portion. The closure tab includes a closure tab flap portion and a closure tab base portion. The cover portion extends from the upper edge of a second body wall portion. The cover portion includes a cover portion flap score line extending along an upper edge of the cover portion and a release flap. A food container having a body portion and a cover portion is also provided.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.