Hinged lid for a food container with plastic lower ring
US8011566B2 · kind B2 · utility
13Cited by
16References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 12, 2008 |
| Grant date | Sep 6, 2011 |
| Priority date | — |
| Expiry date | Jun 6, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2401/10
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A hinged lid structure is provided that is configured for attachment to a paperboard receptacle. The lid structure includes a tamper evident shield structure that requires breaking at least a portion of the shield structure away to effect exposure of a portion of the lid structure to a user to effect opening of the lid structure. The lid structure also includes a plurality of peripherally spaced apart webs for providing structural rigidity to the lid structure and therefore additional strength the upper open end of the receptacle it is attached to.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.