Appeal No. 96-4029
Application 08/386,604
the screen ownership area and processing the window hierarchy.
Anthias discloses in column 7, lines 46 through 65, that their
invention overcomes this problem by maintaining an ownership
priority list. In column 8, lines 4 through 57, Anthias
discloses a multiple window display system which includes a
display device and a screen ownership area pointing to the
identity of the window which is to contribute the data for
each display area of the display device. An ordered list is
maintained of the active windows in the priority order
thereof. Anthias discloses that the lowest priority window is
first written into the display area and then each higher
priority window is then overwritten with this data. Anthias'
disclosure of the ownership priority list is not directed to
maintaining a list of modified graphic orders as claimed by
the Appellant. Anthias, on the other hand, teaches a list of
ownership priority which is only used to determine the
priority of the window, not to the objects within the window.
In view of the above, we find that Anthias fails to
teach all the limitations of Appellant's claims 1, 2, and 7
8
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