Interference No. 104,158 skill has been described as a mechanical engineering degree and several years of experience in the wet shaving razor art. 6 With the above-noted factual findings in mind, it is our determination that the subject matter of Oldroyd claim 9 would not have been obvious to one of ordinary skill in view of the combined teachings of these references. We do not reach the issue of motivation to combine vis-a-vis impermissible hindsight in view of our finding, in agreement with factual finding 37 of Oldroyd, that the references taken singly or together do not teach the claim limitation that the pivot axis lies on or beneath the surface being shaved. Only Kirk teaches a pivot axis perpendicular to the edge of the blades, and Kirk teaches that this axis XX should be adjacent to the pivot axis YY in one embodiment 6See Jacobson at AR30. 14Page: Previous 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 NextLast modified: November 3, 2007