Rug and carpet underlay

Claim 1

A BILAMINATE RUG AND CARPET UNDERLAY COMPRISING A FIRST SHEET OF THIN, FLEXIBLE, IMPERMEABLE MATERIAL FORMED WITH AN ARRAY OF INTEGRAL, LIKE POCKETS INTERRUPTED AN OTHERWISE SMOOTH FACE THEREOF, SAID POCKETS BEING ALIGNED TRANSVERSELY AND LONGITUDINALLY OF THE SHEET IN A SPACING OF UNIFORM SEPARATION EXCEEDIANG THE POCKET TRANSVERSE DIMENSION TO CONDITION THE MAJOR AREA OF THE SHEET SURFACE INTERSECTED THEREBY FOR DIRECT, CONFORMING ENGAGEMENT AGAINST AN UNDERLYING SUPPORT PLANE OPPOSED TO THE POCKET OPENINGS, A SECOND SHEET OF THIN, FLEXIBLE, IMPERMEABLE MATERIAL FORMED WITH AN ARRAY OF INTEGRAL. LIKE RECTANGULAR OFFSETS SIZED AND PATTERNED TO LOOSELY ENVELOP SAID POCKETS IN INDIVIDUAL REGISTRATION THEREWITH, SAID OFFSETS BEING ALIGNED ASARE THE POCKETS IN A SPACING OF UNIFORM SEPARATION MUCH LESS THAN THE OFFSET TRANSVERSE DIMENSION DEFINING NARROW CHANNELS THEREBETWEEN BASED BY CORRESPONDING-NARROW STRIP AREAS OF THE SURFACE OF SAID SECOND SHEET INTERRUPTED BY THE OFFSETS, FLAT, COPLANAR CLOSED BASE AREAS ON SAID OFFSETS CONSTITUTING A TREAD AREA SUBSTANTIALLY COEXTENSIVE WITH AND PARALLEL TO THE STRIP-CHARACTERIZED EXPNASE OF SAID SECOND SHET, SAID STRIP AREAS OF THE SECOND SHEET BEING BONDED TO AREAS OF SAID FIRST SHEET SEPARATING ADJACENT POCKETS THEREOF IN A SYMMETRICAL CORRELATION WITH SAID POCKETS EFFECTIVE TO INDIVIDUALLY SEAL EACH POCKET WITHIN AND OUT OF DIRECT CONTACT AGAINST AN ASSOCIATED OFFSET.