Tamper indicating closure system
US5722547A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Sep 20, 1996 |
| Grant date | Mar 3, 1998 |
| Priority date | — |
| Expiry date | Sep 20, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S215/901
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Tamper indicating closure and container assembly which prior opening of the assembly is indicated by exposing projections formed integrally with the closure with such projections remaining concealed in the originally closed position of the assembly. In one embodiment the tamper indicating features are associated with the label on the container and in another embodiment of the invention the tamper indicating features are associated with a pouring spout on a gable-top container.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.