Container having a use indicator
US10040603B2 · kind B2 · utility
0Cited by
20References
37Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 6, 2016 |
| Grant date | Aug 7, 2018 |
| Priority date | — |
| Expiry date | May 26, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2401/55
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A product includes a container, and an indicator carried inside the container, and including an air-reactive material and a protective material on the air-reactive material, and having a first visible characteristic with the protective material, and a second visible characteristic when exposed to air without the protective material. A package including the product, and a method for making the package are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.