Tamper-evident package
US4923309A · kind A · utility
114Cited by
12References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 27, 1989 |
| Grant date | May 8, 1990 |
| Priority date | — |
| Expiry date | Feb 27, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D33/16
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A package has wall panels defining a product receiving space and providing a bag mouth arrangement between upper end portions of the wall panels which have a hermetic peel seal and a reclosable fastener with a tamper evident tear-off strip closing the upper ends of the upper portions. The tear-off strip has at least one digitally engageable ear to facilitate tearing off of the strip.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.