The opinion in support of the decision being entered today was not written
for publication and is not binding precedent of the Board.
UNITED STATES PATENT AND TRADEMARK OFFICE
____________
BEFORE THE BOARD OF PATENT APPEALS
AND INTERFERENCES
____________
Ex parte Osca Inc., BJ Services Company,
and J. Dean Lechtenberger
____________
Appeal No. 2005-1483
Application No. 90/005,947 and Application No. 90/005,743
____________
HEARD: August 9, 2005
____________
Before FRANKFORT, PATE, and CRAWFORD, Administrative Patent Judges.
PATE, Administrative Patent Judge.
DECISION ON APPEAL
This is an appeal from the final rejection of claims 4-11, 13 and 14 in a merged re-
examination of U.S. Patent No. 5,865,251. The patentability of claims 1-3 and 12 have
been confirmed. These are the only claims in the merged reexamination.
The claimed subject matter is directed to a gravel pack and isolation assembly,
wherein an isolation valve comprising a movable sleeve is positioned to the interior of an
oil well production screen. After the production zone of the oil well has been gravel
packed, the isolation valve is moved to a position permitting fluid passages between the
exterior of the screen assembly and the interior of the production tubing. Further details of
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