Nestable lid
US5881880A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 23, 1997 |
| Grant date | Mar 16, 1999 |
| Priority date | — |
| Expiry date | Oct 23, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2543/00027
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A container lid has a top wall with a series of recessed areas that include therewithin a plurality of geometrical projections and a bottom wall that displays a plurality of recesses complementary in shape to the projections of the top wall whereby identically shaped lids may be stacked or cross-stacked in nested condition with the projections of one lid being received in the corresponding recesses of a superposed lid. The lid is adapted to be affixed to a container having four side pieces and a bottom piece, the configuration of the lid allowing a stacking or cross-stacking arrangement of lid-covered containers with their side pieces in the erected position as well as the stacking or cross-stacking of lid-covered containers with their side pieces in an inwardly folded position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.