Appeal No. 96-3202 Application No. 08/183,464 35 U.S.C. § 103 are also sustained. Claim 20 We will sustain the rejection of claim 20 under 35 U.S.C. § 103. The differences between Shiraya and claim 20 are the limitations that (1) the cam is mounted on a cam shaft, (2) a solid film lubricant is impregnated in the porosity of the outer surface of the cam, and (3) the solid film lubricant is comprised of graphite and at least one of boron nitride and molybdenum disulfide in either one of a high temperature polymer and epoxy base, the solid film lubricant has an affinity for oil and promotes rapid formation of a stable oil film. In applying the above noted test for obviousness, we reach the conclusion that it would have been obvious to one of ordinary skill in the art at the time of the appellants' invention to 18Page: Previous 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 NextLast modified: November 3, 2007