Appeal No. 2005-0531 Application No. 10/120,708 (25) and second end (21)" (id.). Again, however, appellants' argument is not commensurate in scope with the appealed claims since, as noted by the examiner, the appealed claims are sufficiently broad to embrace a purifier tube assembly having perforations therein. We are also not persuaded by appellants' argument that a combination of Horner and Visceglia necessarily results in a helical purifier tube assembly being perforated and having a plug at its first end. Manifestly, it would have been at least as obvious for one of ordinary skill in the art to completely substitute the helical purifier of Visceglia, without perforations and a plug, for the purifier assembly of Horner. Although appellants conclude that "one cannot replace the purifier tube employed in the Horner, et al shipping container for gas storage and distribution with the coil filter of Visceglia, et al and achieve Applicants' claimed fluid storage and purification unit as defined by Claims 1-3 and 9-11" (page 7 of Brief), appellants have advanced no rationale in support of their conclusion. As a final point, we note that appellants base no argument upon objective evidence of nonobviousness, such as unexpected -5-Page: Previous 1 2 3 4 5 6 7 NextLast modified: November 3, 2007