Appeal No. 1997-3483
Application 08/254,575
Randall et al. (Randall) 3,629,834 Dec. 21,
1971
Crafton 3,906,447 Sep. 16, 1975
Kilborn 4,527,052 Jul. 2, 1985
Lo 4,627,252 Dec. 9, 1986
Seckinger et al. (Seckinger) 4,686,358 Aug. 11,
1987
Lepage et al. (Lepage) 5,069,324 Dec. 3, 1991
Claims 20 to 28 stand rejected under 35 U.S.C. § 103 over
various combinations of Randall, Crafton, Kilborn, Lo,
Seckinger and Lepage.
Reference is made to Appellant’s brief and the Examiner's
answer for their respective positions.
OPINION
We have considered the record before us and we will
reverse the rejection of claims 20 to 28.
In rejecting claims under 35 U.S.C. § 103, it is
incumbent upon the Examiner to establish a factual basis to
support the legal conclusion of obviousness. See In re Fine,
837 F.2d 1071, 1073, 5 USPQ2d 1596, 1598 (Fed. Cir. 1988). In
so doing, the Examiner is expected to make the factual
determinations set forth in Graham v. John Deere Co., 383 U.S.
1, 17, 148 USPQ 459, 467
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