Patent ID: 9539519
Date: 2017-01-10
CPC Classifications: A63F,A63H,B65D

Claim:
1. A lid in the form of a building block, comprising: a side wall having a lid fixing element for securing the lid to a package configured to be closed; a top surface having an internal wall and an external wall; a base defining recesses in relation to a height of connecting elements located on a lower section of the lid, the recesses of a shape selected from the group consisting of indentations, inward curves, narrowings, and combinations thereof; one or more male pins; and one or more female openings, with longitudinal axes placed in a direction that is essentially parallel to an internal section of the side wall, wherein the one or more male pins have an external diameter of 4.8±0.1 millimeters, 6.5±0.1 millimeters, or 9.4±0.2 millimeters, and one or more female openings have an internal diameter of 4.8±0.1 millimeters, 6.5±0.1 millimeters, or 9.4±0.2 millimeters.