Liquid proof flat top container with thumb notch release means
US4085885A · kind A · utility
4Cited by
10References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 23, 1976 |
| Grant date | Apr 25, 1978 |
| Priority date | — |
| Expiry date | Jul 23, 1996 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S229/915
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A liquid proof coated paperboard container having a flat top end closure which can be opened exposing a reclosable pouring spout, and having a unique closing arrangement including a central seal and a sealed hold down tab provided with a thumb notch release means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.