Egg carton

Claim 1

AN EGG CARTON COMPRISING A SINGLE SHEET OF FIBERBOARD MATERIAL ERECTABLE TO HAVE SPACED APART FRONT AND REAR WALLS, FIRST AND SECOND IMPERFORATE BOTTOM PANELS MERGING RESPECTIVELY WITH SAID FRONT AND REAR WALLS ALONG FRONT AND REAR CARTON SUPPORTING CORNERS, A GABLED SEGMENTED SPINE PROJECTING UPWARDLY FROM EACH BOTTOM PANEL ALONG A CONTINUOUS CREASE, A PLURALITY OF SPACED APART CROSS-PARTITIONS EXTENDING BETWEEN SAID FRONT AND REAR WALLS AND PASSING BETWEEN ADJACENT SEGMENTS OF SAID GABLED SPINE TO DEFINE A PLURALITY OF EGG RECEIVING COMPARTMENTS, ONES OF SAID CROSS-PARTITIONS BEING EACH EQUIPPED ON THE UPPER EDGE THEREOF WITH A LATERALLY SPACED PAIR OF ABUTMENTS, ONES OF SAID GABLED SEGMENTS EACH PRESENTING TO THE ADJACENT CROSS-PARTITION A PAIR OF STRAIGHT EDGES DISPOSED IN A PLANE PERPENDICULAR TO SAID FRONT AND REAR WALLS FOR STIFFENING SAID PARTITIONS FROM LATERAL BUCKLING AND FOR MAINTAINING THE SAME IN AN UPSTANDING ATTITUDE, SAID ONES OF SAID SEGMENTS BEING EQUIPPED WITH SHOULDERS OVERHANGING SAID STRAIGHT EDGES AND LATCHINGLY ENGAGING SAID UPPER EDGE OF THE ADJACENT CROSS-PARTITION MEDIATE SAID ABUTMENTS.