Flush type lid

Claim 1

A FLUSH TYPE SNAP-OVER LID FOR CLOSING THE MOUTH OF A CONTAINER HAVING A PERIPHERALLY EXTENDING AND OUTWARD LY PROJECTING BEAD FOR ENGAGEMENT BY SAID LID, SAID LID COMPRISING A SUBSTANTIALLY FLAT PORTION DEFINING A LID SURFACE PLANE CONSTITUTING SUBSTANTIALLY THE UPPER SURFACE OF SAID LID, SKIRT MEANS DISPOSED UNIFORMLY ABOUT AND DEPENDING FROM THE PERIPHERY OF SAID FLAT PORTION, SAID SKIRT MEANS HAVING A LOWER EDGE INCLUDING AN INWARDLY PROJECTING BEAD AND SAID SKIRT MEANS HAVING HEIGHT TO PROJECT ONLY THAT DISTANCE BELOW SAID LID SURFACE PLANE WHEREBY ITS SAID LOWER EDGE BEAD ENGAGES THE UNDERSIDE OF SAID OUTWARDLY PROJECTING BEAD OF THE CONTAINER WHEN SAID LID IS ON SAID CONTAINER, AND NARROW-WIDTH RIDGE MEANS WITHIN AND DISPOSED UNIFORMLY ABOUT SAID FLAT PORTION AND PROJECTING BELOW SAID LID SURFACE PLANE A DISTANCE SUBSTANTIALLY EQUAL TO SAID DISTANCE OF PROJECTION OF SAID SKIRT MEANS, SAID RIDGE MEANS BEING DISPOSED IN SPACED RELATION WITH RESPECT TO SAID SKIRT MEANS IN DIRECTION TOWARDS THE CENTER OF SAID LID TO PROVIDE A PERIPHERALLY EXTENDING CHANNEL REGION AT THE UNDERSIDE OF SAID FLAT PORTION FOR ACCOMMODATING THE MOUTH RIM OF SAID CONTAINER IN SUBSTANTIALLY OUT-OF-ENGAGEMENT RELATIONSHIP, WHEREBY SAID RIDGE MEANS PREVENTS NESTING OF SAID LID WHEN STACKED WITH OTHER SIMILAR LIDS.