Multi-row egg cartons
US4492331A · kind A · utility
34Cited by
15References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 29, 1981 |
| Grant date | Jan 8, 1985 |
| Priority date | — |
| Expiry date | Sep 29, 2001 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D85/32
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Multi-row, windowed, molded egg cartons each have a relatively shallow cover hinged to a relatively deep tray wherein the cover is provided with a channeled formation in the cover which is reinforced by six ribs and wherein the hinge line between the cover and tray is so located that when the carton is open the top of the cover and the bottom of the tray are in the same plane and the top of the tray is in a plane above bottom of the cover and the cells in the tray each have square bottoms with the sides of the squares arranged at an angle of 45.degree. to the sides of the carton.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.