Appeal 2007-1908
Application 10/442,950
1 from their origin positions to another cutting knife arrangement, as recited in
2 claim 3.
3
4 FINDINGS OF FACT
5 We find that the following enumerated findings are supported by at
6 least a preponderance of the evidence. Ethicon, Inc. v. Quigg, 849 F.2d
7 1422, 1427, 7 USPQ2d 1152, 1156 (Fed. Cir. 1988) (explaining the general
8 evidentiary standard for proceedings before the Office).
9 1. Appellant invented a method of switching arrangements of
10 cutting knives to change the slitting width in a slitter for slitting a
11 wide sheet into a plurality of narrow strips by a plurality of cutting
12 knives arranged at predetermined intervals (Specification 1).
13 From our review of Coburn '495 we make the following findings of
14 fact:
15 2. “A corrugator is an integrated group of machines for
16 manufacturing sheets of double face corrugated paperboard and
17 includes a slitter scorer which is conventionally located downstream
18 from a rotary shear and upstream from a cut-off machine.” (Coburn
19 '495, col. 1, ll. 5-9).
20 3. “The slitter scorer slits the web of double face corrugated board
21 longitudinally and scores the web by applying crease lines
22 longitudinally thereon.” (Coburn '495, col. 1, ll. 9-12).
23 4. “An upper pair of rotatable slitter shafts is provided
24 downstream from an upper pair of scorer shafts. A lower pair of
6
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