Tray corner structure
US4385721A · kind A · utility
20Cited by
4References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 8, 1981 |
| Grant date | May 31, 1983 |
| Priority date | — |
| Expiry date | Sep 8, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S229/915
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Paperboard tray having a corner structure with double interlocking relation between portions of the end and side walls.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.