Appeal No. 97-1223 Page 15
Application No. 08/147,143
elements (i.e., the last two elements) of the invention.
(Appeal Br. at 9-11). Admitting that Slate teaches the
creation of bookmarks and the use of a pull-down menu entitled
Bookmarks, they specifically argue Slate does not have a
navigation button for displaying a navigation dialog box.
(Appeal Br. at 10.)
Giving claim 31 its broadest reasonable interpretation,
we find the claimed invention does not define over the
references. The references would have suggested the claim’s
sixth and seventh elements. These suggestions will be
addressed seriatim.
The sixth element of claim 31 specifies “means for
marking one or more of the pages in the book by interaction of
the stylus with the display screen, those pages that have been
marked having associated bookmark buttons displayed in a
navigation dialog box appearing on the display means when a
navigation button is selected ....” (Amendment A at 6.) The
appellants admit Slate allows users to place bookmarks at
various pages in an electronic book. (Appeal Br. at 6.) The
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