Histologic tissue receptacle

Claim 1

A TISSUE RECEPTACLE FOR USE IN PROCESSING HISTOLOGIC TISSUE SPECIMENS FOR MICROSCOPIC EXAMINATION, COMPRISING A RECEPTACLE BODY HAVING A CYLINDRICAL SIDE WALL, AND A REMOVABLE COVER THEREFOR RELEASABLY SECURABLE TO SAID RECEPTACLE BODY, SAID COVER COMPRISING A FLEXIBLE CIRCULAR DISK AND CIRCUMFERENTIALLY SPACED FINGERS INTEGRAL WITH SAID DISK AND RELEASABLY ENGAGEABLE WITH SAID CYLINDRICAL SIDE WALL OF THE RECEPTACLE BODY IN COVER SECURING RELATION THERETO WHEN SAID DISK IS IN FLEXED OUTWARDLY CONVEX FORM AND IN COVER RELEASING RELATION TO SAID SIDE WALL WHEN SAID DISK IS FLEXED FROM SAID OUTWARDLY CONVEX FORM, SAID FINGERS HAVING STIFFENING RIBS FORMED THEREIN AND THE MARGINAL EDGE PORTION OF SAID DISK HAVING STIFFENING RIBS THEREIN EXTENDING RADIALLY IN SAID DISK FROM AND AS CONTINUATIONS OF SAID FINGER RIBS, RESPECTIVELY, TO FACILITATE RESTORING SAID DISK TO SAID OUTWARDLY CONVEX FORM WHEN THE COVER IS PLACED ON THE RECEPTACLE BODY AND SAID FINGERS ARE PRESSED TOWARD SAID SIDE WALL FOR SECURING SAID COVER TO THE RECEPTACLE BODY, SAID STIFFENING RIBS IN SAID DISK TERMINATING IN SAID MARGINAL EDGE PORTION THEREOF AND SAID FINGERS HAVING FREE END PORTIONS DEVOID OF SAID RINGER RIBS.