Appeal No. 2000-0431 Page 13 Application No. 08/789,127 Because using the two-phased operation of Bancroft with the robots of Kawakami or Nakamura would have eliminated a need for operator assistance, would have enabled a quick determination if the robot was going to stay in a desired area, and would have provided efficient coverage of a cleaning area, we find that the prior art as a whole would have suggested combining teachings of the references. Second, the appellants argue, “neither Kawakami nor Bancroft teach a system which covers an entire accessible surface of the floor.” (Appeal Br. at 35.) They similarly argue, “neither Nakamura nor Bancroft teach a system which covers an entire accessible surface of the floor.” (Id. at 57.) “Generally, . . . the preamble does not limit the claims.” DeGeorge v. Bernier, 768 F.2d 1318, 1322 n.3, 226 USPQ 758, 761 n.3 (Fed. Cir. 1985). In particular, “[t]he preamble of a claim does not limit the scope of the claim when it merely statesPage: Previous 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 NextLast modified: November 3, 2007