Seal indicator for lid and container
US5427266A · kind A · utility
109Cited by
20References
28Claims
0Family size
Inventor
Key dates
| Filing date | Sep 27, 1993 |
| Grant date | Jun 27, 1995 |
| Priority date | — |
| Expiry date | Sep 27, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2543/00805
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A lid includes a seal indication window for viewing a corresponding seal indication surface on the rim of a container. This provides a quick visual indication of whether the container is closed properly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.