Tobacco smoke filter

Claim 1

IN A FILTER FOR TOBACCO SMOKE HAVING AN OUTER TUBULAR JACKET DEFINING A SMOKE INLET AND SMOKE OUTLET PORTION AND A CYLINDRICAL SMOKE CONDUIT EXTENDING THEREBETWEEN, A FILTER SECTION DISPOSED IN SAID CYLINDRICAL SMOKE CONDUIT, SAID FILTER SECTION COMPRISING AT LEAST TWO SPACED DISCOIDAL PARTITIONS OF RELATIVELY NON-POROUS MATERIAL EXTENDING TRANSVERSELY ACROSS SAID SMOKE CONDUIT COEXTENSIVE WITH THE CROSS-SECTIONAL AREA THEREOF; EACH OF SAID PARTITIONS HAVING TUBULAR SMOKE PASSAGES EXTENDING THERETHROUGH IN THE GENERALLY AXIAL DIRECTION OF SAID FILTER SECTION; SAID TUBULAR SMOKE PASSAGES BEING BETWEEN ABOUT .029 INCH AND .038 INCH IN DIAMETER AND AT LEAST ABOUT .03 INCH IN LENGTH; SAID DISCOIDAL PARTITIONS BEING DISPOSED AT A DISTANCE BETWEEN ABOUT .01 AND .03 INCH FROM EACH OTHER, SUCCESSIVE PARTITIONS BEING DISPOSED TO PROVIDE A STAGGERED ORIENTATION OF THE SMOKE PASSAGES THROUGH ADJACENT PARTITIONS; A FIRST CYLINDRICAL FILTER MEANS COMPRISING A COMPACTED SORPTIVE MATERIAL, SAID FILTER MEANS BEING DISPOSED IN THE SMOKE INLET PORTION OF SAID SMOKE CONDUIT AND IN CONTIGUOUS RELATION WITH ONE OF SAID PARTITIONS; A SECOND CYLINDRICAL TERMINAL FILTER MEANS COMPRISING SORPTIVE MATERIALS DISPOSED IN THE SMOKE OUTLET PORTION OF SAID SMOKE CONDUIT AND IN CONTIGUOUS RELATION WITH THE OTHER OF SAID PARTITIONS.