Safety container

Claim 1

A SAFETY CONTAINER FOR POTENTIALLY DANGEROUS MATERIALS, THE CONTAINER COMPRISING: A RECEPTACLE INCLUDING A BASE AND A TUBULAR SIDE WALL; THE SIDE WALL HAVING INNER AND OUTER SIDES AND AN UPPER END PORTION; THE UPPER END PORTION TERMINATING IN STEPPED END EDGES INCLUDING A DEPRESSED INTERIOR EDGE AND AN EXTERIOR EDGE; A REMOVABLE RESILIENT CAP SEATING ON THE INTERIOR EDGE OF THE RECEPTACLE SIDE WALLS; MEANS EXTENDING INWARDLY FROM THE EXTERIOR EDGE RELEASABLY ENGAGING THE CAP; THE UPPER EXTERIOR END PORTION HAVING AN ANNULAR GROOVE FORMED THEREIN EXTENDING ABOUT THE FULL CIRCUMFERENCE THEREOF AND SPACED FROM THE STAPPED END EDGES; THE OUTER SIDE OF THE SIDE WALL END PORTION HAVING A PLURALITY OF SPACED APART, CLOSED SLOTS THEREIN ARRANGED SUBSTANTIALLY PERPENDICULAR TO THE ANNULAR GROOVE AND OPENING THEREON; THE END PORTION HAVING A PAIR OF DIAMETRICALLY OPPOSITE, COMPOUND RELEASE PASSAGEWAYS THEREIN, EACH HAVING A FIRST PORTION PARALLEL WITH AND SPACED SIMILARLY WITH THE CLOSED SLOTS, A SECOND PORTION SUBSTANTIALLY PARELLEL WITH THE GROOVE, AND A SUBSTANTIALLY VERTICAL RELEASE PORTION; MARKING INDICIA ON THE SIDE WALL OUTER SIDE IN SUBSTANTIALLY VERTICAL ALIGNMENT WITH THE FIRST PORTIONS OF THE RELEASE PASSAGEWAYS; A CLOSURE COMPRISING A TOP AND A DEPENDING FLANGE, THE FLANGE BEING OF A DIAMETER OF FIT ABOIUT THE UPPER END PORTION OF THE RECEPTACLE SIDE WALL AND OF A DEPTH TO EXTEND AT LEAST TO THE ANNULAR GROOVE; LUGS PROJECTING INWARDLY FROM THE FLANGE ON OPPOSITE SIDES; AND MARKING INDICIA ON THE FLANGE INDICATING THE LOCATION OF THE LUGS, WHEREBY THE LUGS ARE ENGAGED IN THE FIRST PORTION OF THE RELEASE PASSAGEWAYS UPON ALIGNMENT OF THE INDICIA.