Appeal No. 96-3374 Application No. 08/115,974 BACKGROUND The appellants' invention relates to a low friction cam shaft. Claims 1, 13 and 20 are representative of the subject matter on appeal and copies of those claims are attached to this decision. The prior art references of record relied upon by the examiner as evidence of obviousness under 35 U.S.C. § 103 are: Lachnit 3,958,541 May 25, 1976 Lehtinen et al. 4,558,960 Dec. 17, 1985 (Lehtinen) Umeha et al. 4,644,912 Feb. 24, 1987 (Umeha) Oda 4,871,266 Oct. 3, 1989 Rao et al. 4,872,432 Oct. 10, 1989 (Rao) Hiraoka et al. 4,969,262 Nov. 13, 1990 (Hiraoka) 3Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 NextLast modified: November 3, 2007