Appeal No. 98-1474 Page 5
Application No. 08/579,385
tested for. Testing for the existence of a non-black colorant
(of any density) and testing whether the background is above
or below a density reference do not read on one another."
(Appeal Br. at 4.)
“‘[T]he main purpose of the examination, to which every
application is subjected, is to try to make sure that what
each claim defines is patentable. [T]he name of the game is
the claim ....’” In re Hiniker Co., 150 F.3d 1362, 1369,
47 USPQ2d 1523, 1529 (Fed. Cir. 1998) (quoting Giles S. Rich,
The Extent of the Protection and Interpretation of
Claims--American Perspectives, 21 Int'l Rev. Indus. Prop. &
Copyright L. 497, 499, 501 (1990)). Here, claim 1 and 3
specify in pertinent part the following limitations: "[i]n a
system which uses electronic signals to specify black and non
black colorants to be used in a printing process to print a
grey area over a background area, ... testing said signals to
determine if the background is to be printed using a non black
colorant ...." Accordingly, the limitations require testing
signals indicating both black and non black colorants to
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