Integral tray and cover with snap lock
US4298133A · kind A · utility
52Cited by
8References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 20, 1979 |
| Grant date | Nov 3, 1981 |
| Priority date | — |
| Expiry date | Aug 20, 1999 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2251/105
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A foam plastic disposable tray and cover typically used for take-out dinners at fast food establishments. The tray and cover are joined by an integral hinge along one side edge. At a location remote from the hinge, tabs and undercut tab seats are formed in the tray and cover respectively that releasably latch the cover in a closed position on the tray.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.