Food carton with cover
US5249736A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 10, 1992 |
| Grant date | Oct 5, 1993 |
| Priority date | — |
| Expiry date | Apr 10, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S229/906
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A clam shell carton having a hexagonal tray with a similarly configured hexagonal cover integrally hinged thereto. The tray and cover, outward of hinge joined inner walls thereof, include alternating high and low peripheral walls with projecting locking lugs on selected ends of the high walls. The high and low walls on the cover respectively overlap the low and high walls on the tray with the locking lugs on the cover releasably interlocking with the locking lugs on the tray.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.