Appeal No. 1999-2544 Page 8 Application No. 08/796,513 Jackson discloses a humidifier for a patient needing breathing support (col. 1, lines 12-15). The humidifier (50) comprises a bundle (10) of polysulfone fibers in a chamber (20) (col. 3, lines 48-50) having an inlet (21) and outlet (23) for water drawn by pump (P) from reservoir (40) through the space between the fibers with the water maintained at 105º F by a heater (42) in the reservoir (40). The humidifier (50) has a plenum (30) for air from a respirator (36) and a plenum (32) for air to the patient (col. 4, lines 4-27). The appellant's only argument with respect to this ground of rejection is found on pages 6 and 7 of the brief wherein it is argued that "element 42 of Jackson... cannot electrically heat the hollow fibers... all actions taken by element 42 in Jackson are performed on water in reservoir 40. Element 42 therefore does not electrically heat hollow fibers and can not anticipate the electrical heating means of claim 1." The examiner recognizes that Jackson teaches the use of heated water for heating that is in direct contact with the outerPage: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 NextLast modified: November 3, 2007