Bag closure
US4051994A · kind A · utility
11Cited by
4References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 12, 1975 |
| Grant date | Oct 4, 1977 |
| Priority date | — |
| Expiry date | Dec 12, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S383/905
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A lay flat thermoplastic bag construction having an integral closure means comprising a strip of metallic foil which is secured to one of the bag walls adjacent the open mouth of the bag.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.